It wasn't that Jeff Bezos didn't have a good job. He was a vice president at a Wall Street firm. But, he quit his job, moved to Seattle, and started an online retailer, which he named Amazon.com. Like any good entrepreneur, Jeff strove to keep his initial investment small. Operations were run out of his garage. And, to avoid the need for a warehouse, he took orders for books and had them shipped from other distributors’ warehouses. One board member recalls how excited the board was whenever an order came in from a customer in a state that Amazon had never serviced before.
By its fourth month, Amazon was selling 100 books a day. In its first full year, it had $15.7 million in sales. The next year, sales increased eightfold. Two years later, sales were $1.6 billion.
Although its sales growth was impressive, Amazon's ability to lose money was equally amazing. One analyst nicknamed it Amazon.bomb, while another, predicting its demise, called it Amazon.toast. Why was it losing money? The company used every available dollar to reinvest in itself. It built massive warehouses and bought increasingly sophisticated (and expensive) computer systems to improve its distribution system. This desire to grow as fast as possible was captured in a T-shirt slogan at its company picnic, which read “Eat another hot dog, get big fast.” This buying binge was increasing the company's fixed costs at a rate that exceeded its sales growth. Skeptics were predicting that Amazon would soon run out of cash. It didn't.
In the fourth quarter of 2010 (only 15 years after its world headquarters were located in a garage), Amazon reported quarterly revenues of $12.95 billion and quarterly income of $416 million. But, even as it announced record profits, its share price fell by 9%. Why? Because although the company was predicting that its sales revenue in the next quarter would increase by at least 28%, it predicted that its operating profit would fall by at least 2% and perhaps by as much as 34%. The company made no apologies. It explained that it was in the process of expanding from 39 distribution centers to 52. As Amazon's finance chief noted, “You're not as productive on those assets for some time. I'm very pleased with the investments we're making and we've shown over our history that we've been able to make great returns on the capital we invest in.” In other words, eat another hot dog.
Source: Christine Frey and John Cook, “How Amazon.com Survived, Thrived and Turned a Profit,” Seattle Post (January 28, 2008); and Stu Woo, “Sticker Shock Over Amazon Growth,” Wall Street Journal Online (January 28, 2011).
Preview of Chapter 22
As the Feature Story indicates, to manage any size business you must understand how costs respond to changes in sales volume and the effect of costs and revenues on profits. A prerequisite to understanding cost-volume-profit (CVP) relationships is knowledge of how costs behave. In this chapter, we first explain the considerations involved in cost behavior analysis. Then, we discuss and illustrate CVP analysis.
The content and organization of Chapter 22 are as follows.
Cost behavior analysis is the study of how specific costs respond to changes in the level of business activity. As you might expect, some costs change, and others remain the same. For example, for an airline company such as Southwest or United, the longer the flight, the higher the fuel costs. On the other hand, Massachusetts General Hospital's costs to staff the emergency room on any given night are relatively constant regardless of the number of patients treated. A knowledge of cost behavior helps management plan operations and decide between alternative courses of action. Cost behavior analysis applies to all types of entities.
The starting point in cost behavior analysis is measuring the key business activities. Activity levels may be expressed in terms of sales dollars (in a retail company), miles driven (in a trucking company), room occupancy (in a hotel), or dance classes taught (by a dance studio). Many companies use more than one measurement base. A manufacturer, for example, may use direct labor hours or units of output for manufacturing costs, and sales revenue or units sold for selling expenses.
For an activity level to be useful in cost behavior analysis, changes in the level or volume of activity should be correlated with changes in costs. The activity level selected is referred to as the activity (or volume) index. The activity index identifies the activity that causes changes in the behavior of costs. With an appropriate activity index, companies can classify the behavior of costs in response to changes in activity levels into three categories: variable, fixed, or mixed.
Variable costs are costs that vary in total directly and proportionately with changes in the activity level. If the level increases 10%, total variable costs will increase 10%. If the level of activity decreases by 25%, total variable costs will decrease 25%. Examples of variable costs include direct materials and direct labor for a manufacturer; cost of goods sold, sales commissions, and freight-out for a merchandiser; and gasoline in airline and trucking companies. A variable cost may also be defined as a cost that remains the same per unit at every level of activity.
To illustrate the behavior of a variable cost, assume that Damon Company manufactures tablet computers that contain a $10 camera. The activity index is the number of tablet computers produced. As Damon manufactures each tablet, the total cost of cameras used increases by $10. As part (a) of Illustration 22-1 shows, total cost of the cameras will be $20,000 if Damon produces 2,000 tablets, and $100,000 when it produces 10,000 tablets. We also can see that a variable cost remains the same per unit as the level of activity changes. As part (b) of Illustration 22-1 shows, the unit cost of $10 for the cameras is the same whether Damon produces 2,000 or 10,000 tablets.
Helpful Hint True or false: Variable costs per unit change directly and proportionately with changes in activity. Answer: False. Per unit costs remain constant at all levels of activity.
Companies that rely heavily on labor to manufacture a product, such as Nike or Reebok, or to perform a service, such as Hilton or Marriott, are likely to have many variable costs. In contrast, companies that use a high proportion of machinery and equipment in producing revenue, such as AT&T or Duke Energy Co., may have few variable costs.
Fixed costs are costs that remain the same in total regardless of changes in the activity level. Examples include property taxes, insurance, rent, supervisory salaries, and depreciation on buildings and equipment. Because total fixed costs remain constant as activity changes, it follows that fixed costs per unit vary inversely with activity. As volume increases, unit cost declines, and vice versa.
To illustrate the behavior of fixed costs, assume that Damon Company leases its productive facilities at a cost of $10,000 per month. Total fixed costs of the facilities will remain constant at every level of activity, as part (a) of Illustration 22-2 shows. But, on a per unit basis, the cost of rent will decline as activity increases, as part (b) of Illustration 22-2 shows. At 2,000 units, the unit cost per tablet computer is $5 ($10,000 ÷ 2,000). When Damon produces 10,000 tablets, the unit cost of the rent is only $1 per tablet ($10,000 ÷ 10,000).
The trend for many manufacturers is to have more fixed costs and fewer variable costs. This trend is the result of increased use of automation and less use of employee labor. As a result, depreciation and lease charges (fixed costs) increase, whereas direct labor costs (variable costs) decrease.
PEOPLE, PLANET, AND PROFIT INSIGHT
Gardens in the Sky
Because of population increases, the United Nations’ Food and Agriculture Organization estimates that food production will need to increase by 70% by 2050. Also, by 2050, roughly 70% of people will live in cities, which means more food needs to be hauled further to get it to the consumer. To address the lack of farmable land and reduce the cost of transporting produce, some have suggested building “vertical farming” skyscrapers in cities. This sounds great, but do the numbers work? Some variable costs would be reduced. For example, the use of pesticides, herbicides, fuel costs for shipping, and water would all drop. Soil erosion would be a non-issue since plants would be grown hydroponically (in a solution of water and minerals), and land requirements would be reduced because of vertical structures. But, other costs would be higher. First, there is the cost of the building. Also, any multistory building would require artificial lighting for plants on lower floors.
Until these cost challenges can be overcome, it appears that these skyscrapers will not break even. On the other hand, rooftop greenhouses on existing city structures already appear financially viable. For example, a 15,000 square-foot rooftop greenhouse in Brooklyn already produces roughly 30 tons of vegetables per year for local residents.
Source: “Vertical Farming: Does It Really Stack Up?” The Economist (December 9, 2010).
What are some of the variable and fixed costs that are impacted by hydroponic farming? (See page 1073.)
In Illustration 22-1 part (a) (page 1033), a straight line is drawn throughout the entire range of the activity index for total variable costs. In essence, the assumption is that the costs are linear. If a relationship is linear (that is, straight-line), then changes in the activity index will result in a direct, proportional change in the variable cost. For example, if the activity level doubles, the cost doubles.
It is now necessary to ask: Is the straight-line relationship realistic? Does the linear assumption produce useful data for CVP analysis?
In most business situations, a straight-line relationship does not exist for variable costs throughout the entire range of possible activity. At abnormally low levels of activity, it may be impossible to be cost-efficient. Small-scale operations may not allow the company to obtain quantity discounts for raw materials or to use specialized labor. In contrast, at abnormally high levels of activity, labor costs may increase sharply because of overtime pay. Also, at high activity levels, materials costs may jump significantly because of excess spoilage caused by worker fatigue.
As a result, in the real world, the relationship between the behavior of a variable cost and changes in the activity level is often curvilinear, as shown in part (a) of Illustration 22-3. In the curved sections of the line, a change in the activity index will not result in a direct, proportional change in the variable cost. That is, a doubling of the activity index will not result in an exact doubling of the variable cost. The variable cost may more than double, or it may be less than double.
Total fixed costs also do not have a straight-line relationship over the entire range of activity. Some fixed costs will not change. But it is possible for management to change other fixed costs. For example, in some instances, salaried employees (fixed) are replaced with freelance workers (variable). Illustration 22-3, part (b), shows an example of the behavior of total fixed costs through all potential levels of activity.
Helpful Hint Fixed costs that may be changeable include research, such as new product development, and management training programs.
For most companies, operating at almost zero or at 100% capacity is the exception rather than the rule. Instead, companies often operate over a somewhat narrower range, such as 40–80% of capacity. The range over which a company expects to operate during a year is called the relevant range of the activity index. Within the relevant range, as both diagrams in Illustration 22-4 show, a straight-line relationship generally exists for both variable and fixed costs.
Alternative Terminology The relevant range is also called the normal or practical range.
As you can see, although the linear (straight-line) relationship may not be completely realistic, the linear assumption produces useful data for CVP analysis as long as the level of activity remains within the relevant range.
Mixed costs are costs that contain both a variable element and a fixed element. Mixed costs, therefore, change in total but not proportionately with changes in the activity level.
The rental of a U-Haul truck is a good example of a mixed cost. Assume that local rental terms for a 17-foot truck, including insurance, are $50 per day plus 50 cents per mile. When determining the cost of a one-day rental, the per day charge is a fixed cost (with respect to miles driven), whereas the mileage charge is a variable cost. Illustration 22-5 (page 1036) shows the rental cost for a one-day rental.
In this case, the fixed-cost element is the cost of having the service available. The variable-cost element is the cost of actually using the service. Another example of a mixed cost is utility costs (electric, telephone, and so on), where there is a flat service fee plus a usage charge.
For purposes of CVP analysis, mixed costs must be classified into their fixed and variable elements. How does management make the classification? One possibility is to determine the variable and fixed components each time a mixed cost is incurred. But because of time and cost constraints, this approach is rarely followed. Instead, the usual approach is to collect data on the behavior of the mixed costs at various levels of activity. Analysts then identify the fixed- and variable-cost components. Companies use various types of analysis. One type of analysis, called the high-low method, is discussed next. Other methods, such as the scatter diagram method and least squares regression analysis, are more appropriately explained in cost accounting courses.
DO IT!
Types of Costs
Helena Company reports the following total costs at two levels of production.
Classify each cost as variable, fixed, or mixed.
Action Plan
Recall that a variable cost varies in total directly and proportionately with each change in activity level.
Recall that a fixed cost remains the same in total with each change in activity level.
Recall that a mixed cost changes in total but not proportionately with each change in activity level.
Solution
Direct materials, direct labor, and indirect materials are variable costs.
Depreciation and rent are fixed costs.
Maintenance and utilities are mixed costs.
Related exercise material: BE22-1, BE22-2, E22-1, E22-2, E22-4, and DO IT! 22-1.
The high-low method uses the total costs incurred at the high and low levels of activity to classify mixed costs into fixed and variable components. The difference in costs between the high and low levels represents variable costs, since only the variable-cost element can change as activity levels change.
The steps in computing fixed and variable costs under this method are as follows.
1. Determine variable cost per unit from the following formula.
To illustrate, assume that Metro Transit Company has the following maintenance costs and mileage data for its fleet of buses over a 6-month period.
The high and low levels of activity are 50,000 miles in April and 20,000 miles in January. The maintenance costs at these two levels are $63,000 and $30,000, respectively. The difference in maintenance costs is $33,000 ($63,000 – $30,000), and the difference in miles is 30,000 (50,000 – 20,000). Therefore, for Metro Transit, variable cost per unit is $1.10, computed as follows.
$33,000 ÷ 30,000 = $1.10
2. Determine the fixed costs by subtracting the total variable costs at either the high or the low activity level from the total cost at that activity level.
For Metro Transit, the computations are shown in Illustration 22-8.
Maintenance costs are therefore $8,000 per month of fixed costs plus $1.10 per mile of variable costs. This is represented by the following formula:
Maintenance costs = $8,000 + ($1.10 × Miles driven)
For example, at 45,000 miles, estimated maintenance costs would be $8,000 fixed and $49,500 variable ($1.10 × 45,000) for a total of $57,500.
The graph in Illustration 22-9 plots the 6-month data for Metro Transit Company. The red line drawn in the graph connects the high and low data points, and therefore represents the equation that we just solved using the high-low method. The red, “high-low” line intersects the y-axis at $8,000 (the fixed-cost level), and it rises by $1.10 per unit (the variable cost per unit). Note that a completely different line would result if we chose any two of the other data points. That is, by choosing any two other data points, we would end up with a different estimate of fixed costs and a different variable cost per unit. Thus, from this scatter plot, we can see that while the high-low method is simple, the result is rather arbitrary. A better approach, which uses information from all the data points to estimate fixed and variable costs, is called regression analysis. A discussion of regression analysis is provided in a supplement on the book's companion website.
MANAGEMENT INSIGHT
Skilled Labor Is Truly Essential
The recession that started in 2008 had devastating implications for employment. But one surprise was that for some manufacturers, the number of jobs lost was actually lower than in previous recessions. One of the main explanations for this was that between 2000 and 2008, many factories adopted lean manufacturing practices. This meant that production relied less on large numbers of low-skilled workers, and more on machines and a few highly skilled workers. As a result of this approach, a single employee was supporting far more dollars in sales. Thus, it would require a larger decline in sales before an employee would need to be laid-off in order to continue to break even. Also, because the employees are highly skilled, employers are reluctant to lose them. Instead of lay-offs, many manufacturers have resorted to cutting employees hours.
Source: Timothy Aeppel and Justin Lahart, “Lean Factories Find It Hard to Cut Jobs Even in a Slump,” Wall Street Journal Online (March 9, 2009).
Would you characterize labor costs as being a fixed cost, a variable cost, or something else in this situation? (See page 1073.)
Why is it important to segregate costs into variable and fixed elements? The answer may become apparent if we look at the following four business decisions.
1. If American Airlines is to make a profit when it reduces all domestic fares by 30%, what reduction in costs or increase in passengers will be required?
Answer: To make a profit when it cuts domestic fares by 30%, American Airlines will have to increase the number of passengers or cut its variable costs for those flights. Its fixed costs will not change.
2. If Ford Motor Company meets workers’ demands for higher wages, what increase in sales revenue will be needed to maintain current profit levels?
Answer: Higher wages at Ford Motor Company will increase the variable costs of manufacturing automobiles. To maintain present profit levels, Ford will have to cut other variable costs or increase the price of its automobiles.
3. If United States Steel Corp.'s program to modernize plant facilities through significant equipment purchases reduces the work force by 50%, what will be the effect on the cost of producing one ton of steel?
Answer: The modernizing of plant facilities at United States Steel Corp. changes the proportion of fixed and variable costs of producing one ton of steel. Fixed costs increase because of higher depreciation charges, whereas variable costs decrease due to the reduction in the number of steelworkers.
4. What happens if Kellogg increases its advertising expenses but cannot increase prices because of competitive pressure?
Answer: Sales volume must be increased to cover the increase in fixed advertising costs.
DO IT!
High-Low Method
Byrnes Company accumulates the following data concerning a mixed cost, using units produced as the activity level.
(a) Compute the variable- and fixed-cost elements using the high-low method.
(b) Estimate the total cost if the company produces 6,000 units.
Action Plan
Determine the highest and lowest levels of activity.
Compute variable cost per unit as: Change in total costs ÷ (High – low activity level) = Variable cost per unit.
Compute fixed cost as: Total cost – (Variable cost per unit × Units produced) = Fixed cost.
Solution
Related exercise material: BE22-3, BE22-4, BE22-5, E22-3, E22-5, E22-6, and DO IT! 22-2.
Cost-volume-profit (CVP) analysis is the study of the effects of changes in costs and volume on a company's profits. CVP analysis is important in profit planning. It also is a critical factor in such management decisions as setting selling prices, determining product mix, and maximizing use of production facilities.
CVP analysis considers the interrelationships among the components shown in Illustration 22-10.
The following assumptions underlie each CVP analysis.
1. The behavior of both costs and revenues is linear throughout the relevant range of the activity index.
2. Costs can be classified accurately as either variable or fixed.
3. Changes in activity are the only factors that affect costs.
4. All units produced are sold.
5. When more than one type of product is sold, the sales mix will remain constant. That is, the percentage that each product represents of total sales will stay the same. Sales mix complicates CVP analysis because different products will have different cost relationships. In this chapter, we assume a single product.
When these assumptions are not valid, the CVP analysis may be inaccurate.
Because CVP is so important for decision-making, management often wants this information reported in a cost-volume-profit (CVP) income statement format for internal use. The CVP income statement classifies costs as variable or fixed and computes a contribution margin. Contribution margin (CM) is the amount of revenue remaining after deducting variable costs. It is often stated both as a total amount and on a per unit basis.
We will use Vargo Video Company to illustrate a CVP income statement. Vargo Video produces a high-definition digital camcorder with 15× optical zoom and a wide-screen, high-resolution LCD monitor. Relevant data for the camcorders sold by this company in June 2014 are as follows.
The CVP income statement for Vargo Video therefore would be reported as follows.
A traditional income statement and a CVP income statement both report the same net income of $120,000. However a traditional income statement does not classify costs as variable or fixed, and therefore it does not report a contribution margin. In addition, sometimes per unit amounts and percentage of sales amounts are shown on a CVP income statement to facilitate CVP analysis. Homework assignments specify which columns to present.
In the applications of CVP analysis that follow, we assume that the term “cost” includes all costs and expenses related to production and sale of the product. That is, cost includes manufacturing costs plus selling and administrative expenses.
Illustration 22-14 shows Vargo Video's CVP income statement at the point where net income equals zero. It shows a contribution margin of $200,000, and a contribution margin per unit of $200 ($500 – $300). The formula for contribution margin per unit and the computation for Vargo Video are:
Contribution margin per unit indicates that for every camcorder sold, the selling price exceeds the variable costs by $200. Vargo generates $200 per unit sold to cover fixed costs and contribute to net income. Because Vargo Video has fixed costs of $200,000, it must sell 1,000 camcorders ($200,000 ÷ $200) to cover its fixed costs. At the point where total contribution margin exactly equals fixed costs, Vargo will report net income of zero. At this point, referred to as the break-even point, total costs (variable plus fixed) exactly equal total revenue.
It follows that for every camcorder sold above the break-even point of 1,000 units, net income increases by the amount of the contribution margin per unit, $200. For example, assume that Vargo sold one more camcorder, for a total of 1,001 camcorders sold. In this case, Vargo reports net income of $200, as shown in Illustration 22-15.
Some managers prefer to use a contribution margin ratio in CVP analysis. The contribution margin ratio is the contribution margin expressed as a percentage of sales, as shown in Illustration 22-16.
Alternatively, the contribution margin ratio is the contribution margin per unit divided by the unit selling price. For Vargo Video, the ratio is as follows.
The contribution margin ratio of 40% means that Vargo generates 40 cents of contribution margin with each dollar of sales. That is, $0.40 of each sales dollar (40% × $1) is available to apply to fixed costs and to contribute to net income.
This expression of contribution margin is very helpful in determining the effect of changes in sales on net income. For example, if Vargo's sales increase $100,000, net income will increase $40,000 (40% × $100,000). Thus, by using the contribution margin ratio, managers can quickly determine increases in net income from any change in sales.
We can also see this effect through a CVP income statement. Assume that Vargo Video's current sales are $500,000 and it wants to know the effect of a $100,000 (200-unit) increase in sales. Vargo prepares a comparative CVP income statement analysis as follows.
The $40,000 increase in net income can be calculated on either a contribution margin per unit basis (200 units × $200 per unit) or using the contribution margin ratio times the increase in sales dollars (40% × $100,000). Note that the contribution margin per unit and contribution margin as a percentage of sales remain unchanged by the increase in sales.
Study these CVP income statements carefully. The concepts presented in these statements are used extensively in this and later chapters.
A key relationship in CVP analysis is the level of activity at which total revenues equal total costs (both fixed and variable)—the break-even point. At this volume of sales, the company will realize no income but will suffer no loss. The process of finding the break-even point is called break-even analysis. Knowledge of the break-even point is useful to management when it decides whether to introduce new product lines, change sales prices on established products, or enter new market areas.
The break-even point can be:
1. Computed from a mathematical equation.
2. Computed by using contribution margin.
3. Derived from a cost-volume-profit (CVP) graph.
The break-even point can be expressed either in sales units or sales dollars.
The first line of Illustration 22-19 shows a common equation used for CVP analysis. When net income is set to zero, this equation can be used to calculate the break-even point.
As shown in Illustration 22-14 (page 1041), net income equals zero when the contribution margin (sales minus variable costs) is equal to fixed costs.
To reflect this, Illustration 22-20 rewrites the equation with contribution margin (sales minus variable costs) on the left side, and fixed costs and net income on the right. We can compute the break-even point in units by using unit selling prices and unit variable costs. The computation for Vargo Video is:
Thus, Vargo Video must sell 1,000 units to break even.
To find the amount of sales dollars required to break even, we multiply the units sold at the break-even point times the selling price per unit, as shown below.
1,000 × $500 = $500,000 (break-even sales dollars)
Many managers employ the contribution margin to compute the break-even point.
CONTRIBUTION MARGIN IN UNITS The final step in Illustration 22-20 divides fixed costs by the contribution margin per unit (highlighted in red). Thus, rather than walk through all of the steps of the equation approach, we can simply employ this formula shown in Illustration 22-21.
Why does this formula work? The contribution margin per unit is the net amount by which each sale exceeds the variable costs per unit. Every sale generates this much money to pay off fixed costs. Consequently, if we divide fixed costs by the contribution margin per unit, we know how many units we need to sell to break even.
CONTRIBUTION MARGIN RATIO As we will see in the next chapter, when a company has numerous products, it is not practical to determine the contribution margin per unit for each product. In this case, using the contribution margin ratio is very useful for determining the break-even point in total dollars (rather than units). Recall that the contribution margin ratio is the amount of contribution margin that is generated from each dollar of sales. Therefore, to determine the sales dollars needed to cover fixed costs, we divide fixed costs by the contribution margin ratio, as shown in Illustration 22-22.
To apply this formula to Vargo, consider that its 40% contribution margin ratio means that for every dollar sold, it generates 40 cents of contribution margin. The question is, how many dollars of sales does Vargo need in order to generate total contribution margin of $200,000 to pay off fixed costs? We divide the fixed costs of $200,000 by the 40 cents of contribution margin generated by each dollar of sales to arrive at $500,000 ($200,000 ÷ 40%). To prove this result, if we generate 40 cents of contribution margin for each dollar of sales, then the total contribution margin generated by $500,000 in sales is $200,000 ($500,000 × 40%).
SERVICE COMPANY INSIGHT
Charter Flights Offer a Good Deal
The Internet is wringing inefficiencies out of nearly every industry. While commercial aircraft spend roughly 4,000 hours a year in the air, chartered aircraft are flown only 500 hours annually. That means that they are sitting on the ground—not making any money—about 90% of the time. One company, FlightServe, saw a business opportunity in that fact. For about the same cost as a first-class ticket, FlightServe decided to match up executives with charter flights in small “private jets.” The executive would get a more comfortable ride and could avoid the hassle of big airports. FlightServe noted that the average charter jet has eight seats. When all eight seats were full, the company would have an 80% profit margin. It would break even at an average of 3.3 full seats per flight.
Source: “Jet Set Go,” The Economist (March 18, 2000), p. 68.
How did FlightServe determine that it would break even with 3.3 seats full per flight? (See page 1073.)
An effective way to find the break-even point is to prepare a break-even graph. Because this graph also shows costs, volume, and profits, it is referred to as a cost-volume-profit (CVP) graph.
As the CVP graph in Illustration 22-23 (page 1046) shows, sales volume is recorded along the horizontal axis. This axis should extend to the maximum level of expected sales. Both total revenues (sales) and total costs (fixed plus variable) are recorded on the vertical axis.
The construction of the graph, using the data for Vargo Video, is as follows.
1. Plot the sales line, starting at the zero activity level. For every camcorder sold, total revenue increases by $500. For example, at 200 units, sales are $100,000. At the upper level of activity (1,800 units), sales are $900,000. The revenue line is assumed to be linear through the full range of activity.
2. Plot the total fixed costs using a horizontal line. For the camcorders, this line is plotted at $200,000. The fixed costs are the same at every level of activity.
3. Plot the total-cost line. This starts at the fixed-cost line at zero activity. It increases by the variable costs at each level of activity. For each camcorder, variable costs are $300. Thus, at 200 units, total variable costs are $60,000, and the total cost is $260,000. At 1,800 units, total variable costs are $540,000, and total cost is $740,000. On the graph, the amount of the variable costs can be derived from the difference between the total-cost and fixed-cost lines at each level of activity.
4. Determine the break-even point from the intersection of the total-cost line and the sales line. The break-even point in dollars is found by drawing a horizontal line from the break-even point to the vertical axis. The break-even point in units is found by drawing a vertical line from the break-even point to the horizontal axis. For the camcorders, the break-even point is $500,000 of sales, or 1,000 units. At this sales level, Vargo Video will cover costs but make no profit.
The CVP graph also shows both the net income and net loss areas. Thus, the amount of income or loss at each level of sales can be derived from the sales and total-cost lines.
A CVP graph is useful because the effects of a change in any element in the CVP analysis can be quickly seen. For example, a 10% increase in selling price will change the location of the sales line. Likewise, the effects on total costs of wage increases can be quickly observed.
Break-Even Analysis
Lombardi Company has a unit selling price of $400, variable costs per unit of $240, and fixed costs of $180,000. Compute the break-even point in units using (a) a mathematical equation and (b) contribution margin per unit.
Action Plan
Apply the formula: Sales – Variable costs – Fixed costs = Net income.
Apply the formula: Fixed costs ÷ Contribution margin per unit = Break-even point in units.
Solution
(a) The equation is $400Q – $240Q – $180,000 = $0; ($400Q – $240Q) = $180,000. The break-even point in units is 1,125. (b) The contribution margin per unit is $160 ($400 – $240). The formula therefore is $180,000 ÷ $160, and the break-even point in units is 1,125.
Related exercise material: BE22-6, BE22-7, BE22-8, BE22-9, E22-8, E22-9, E22-10, E22-11, E22-12, E22-13, and DO IT! 22-3.
Rather than simply “breaking even,” management usually sets an income objective often called target net income. It indicates the sales necessary to achieve a specified level of income. Companies determine the sales necessary to achieve target net income by using one of the three approaches discussed earlier.
We know that at the break-even point no profit or loss results for the company. By adding an amount for target net income to the same basic equation, we obtain the following formula for determining required sales.
Recall that once the break-even point has been reached so that fixed costs are covered, each additional unit sold increases net income by the amount of the contribution margin per unit. We can rewrite the equation with contribution margin (sales minus variable costs) on the left-hand side, and fixed costs and net income on the right. Assuming that target net income is $120,000 for Vargo Video, the computation of required sales in units is as follows.
Vargo must sell 1,600 units to achieve target net income of $120,000. The sales dollars required to achieve the target net income is found by multiplying the units sold by the unit selling price [(1,600 × $500) = $800,000].
As in the case of break-even sales, we can compute in either units or dollars the sales required to meet target net income. The formula to compute required sales in units for Vargo Video using the contribution margin per unit can be seen in the final step of the equation approach in Illustration 22-25 (shown in red). We simply divide the sum of fixed costs and target net income by the contribution margin per unit. Illustration 22-26 shows this for Vargo.
To achieve its desired target net income of $120,000, Vargo must sell 1,600 camcorders.
The formula to compute the required sales in dollars for Vargo Video using the contribution margin ratio is shown below.
To achieve its desired target net income of $120,000, Vargo must generate sales of $800,000.
We also can use the CVP graph in Illustration 22-23 (on page 1046) to find the sales required to meet target net income. In the profit area of the graph, the distance between the sales line and the total-cost line at any point equals net income. We can find required sales by analyzing the differences between the two lines until the desired net income is found.
For example, suppose Vargo Video sells 1,400 camcorders. Illustration 22-23 shows that a vertical line drawn at 1,400 units intersects the sales line at $700,000 and the total cost line at $620,000. The difference between the two amounts represents the net income (profit) of $80,000.
Margin of safety is the difference between actual or expected sales and sales at the break-even point. It measures the “cushion” that a particular level of sales provides. It tells us how far sales could fall before the company begins operating at a loss. The margin of safety is expressed in dollars or as a ratio.
The formula for stating the margin of safety in dollars is actual (or expected) sales minus break-even sales. Assuming that actual (expected) sales for Vargo Video are $750,000, the computation is:
Vargo's margin of safety is $250,000. Its sales could fall $250,000 before it operates at a loss.
The margin of safety ratio is the margin of safety in dollars divided by actual (or expected) sales. The formula and computation for determining the margin of safety ratio are:
This means that the company's sales could fall by 33% before it would be operating at a loss.
The higher the dollars or the percentage, the greater the margin of safety. Management continuously evaluates the adequacy of the margin of safety in terms of such factors as the vulnerability of the product to competitive pressures and to downturns in the economy.
SERVICE COMPANY INSIGHT
How a Rolling Stones’ Tour Makes Money
Computation of break-even and margin of safety is important for service companies. Consider how the promoter for the Rolling Stones’ tour used the break-even point and margin of safety. For example, one outdoor show should bring 70,000 individuals for a gross of $2.45 million. The promoter guarantees $1.2 million to the Rolling Stones. In addition, 20% of gross goes to the stadium in which the performance is staged. Add another $400,000 for other expenses such as ticket takers, parking attendants, advertising, and so on. The promoter also shares in sales of T-shirts and memorabilia for which the promoter will net over $7 million during the tour. From a successful Rolling Stones’ tour, the promoter could make $35 million!
What amount of sales dollars are required for the promoter to break even? (See page 1073.)
DO IT!
Margin of Safety; Required Sales
Mabo Company makes calculators that sell for $20 each. For the coming year, management expects fixed costs to total $220,000 and variable costs to be $9 per unit.
(a) Compute break-even point in units using the mathematical equation.
(b) Compute break-even point in dollars using the contribution margin (CM) ratio.
(c) Compute the margin of safety percentage assuming actual sales are $500,000.
(d) Compute the sales required in dollars to earn net income of $165,000.
Action Plan
Know the formulas.
Recognize that variable costs change with sales volume; fixed costs do not.
Avoid computational errors.
Related exercise material: BE22-6, BE22-7, BE22-8, E22-5, E22-6, E22-7, E22-8, E22-9, E22-10, E22-11, E22-12, E22-13, and DO IT! 22-4.
When the personal computer was introduced, it sold for $2,500. Today, similar computers sell for much less. Recently, when oil prices rose, the break-even point for airline companies such as American and Northwest rose dramatically. Because of lower prices for imported steel, the demand for domestic steel dropped significantly. The point should be clear: Business conditions change rapidly, and management must respond intelligently to these changes. CVP analysis can help.
To better understand how CVP analysis works, let's look at three independent situations that might occur at Vargo Video. Each case uses the original camcorder sales and cost data, which were as follows.
CASE I A competitor is offering a 10% discount on the selling price of its camcorders. Management must decide whether to offer a similar discount.
Question: What effect will a 10% discount on selling price have on the break-even point for camcorders?
Answer: A 10% discount on selling price reduces the selling price per unit to $450 [$500 – ($500 × 10%)]. Variable costs per unit remain unchanged at $300. Thus, the contribution margin per unit is $150. Assuming no change in fixed costs, break-even point is 1,333 units, computed as follows.
For Vargo Video, this change requires monthly sales to increase by 333 units, or 33⅓%, in order to break even. In reaching a conclusion about offering a 10% discount to customers, management must determine how likely it is to achieve the increased sales. Also, management should estimate the possible loss of sales if the competitor's discount price is not matched.
CASE II To meet the threat of foreign competition, management invests in new robotic equipment that will lower the amount of direct labor required to make camcorders. The company estimates that total fixed costs will increase 30% and that variable cost per unit will decrease 30%.
Question: What effect will the new equipment have on the sales volume required to break even?
Answer: Total fixed costs become $260,000 [$200,000 + (30% × $200,000)]. The variable cost per unit becomes $210 [$300 – (30% × $300)]. The new break-even point is approximately 897 units, computed as follows.
These changes appear to be advantageous for Vargo Video. The break-even point is reduced by approximately 10%, or 100 units.
CASE III Vargo's principal supplier of raw materials has just announced a price increase. The higher cost is expected to increase the variable cost of camcorders by $25 per unit. Management decides to hold the line on the selling price of the camcorders. It plans a cost-cutting program that will save $17,500 in fixed costs per month. Vargo is currently realizing monthly net income of $80,000 on sales of 1,400 camcorders.
Question: What increase in units sold will be needed to maintain the same level of net income?
Answer: The variable cost per unit increases to $325 ($300 + $25). Fixed costs are reduced to $182,500 ($200,000 – $17,500). Because of the change in variable cost, the contribution margin per unit becomes $175 ($500 – $325). The required number of units sold to achieve the target net income is computed as follows.
To achieve the required sales, Vargo will have to sell 1,500 camcorders, an increase of 100 units. If this does not seem to be a reasonable expectation, management will either have to make further cost reductions or accept less net income if the selling price remains unchanged.
Earlier in the chapter we presented a simple CVP income statement. When companies prepare a CVP income statement, they provide more detail about specific variable and fixed-cost items.
To illustrate a more detailed CVP income statement, we will assume that Vargo Video reaches its target net income of $120,000 (see Illustration 22-25 on page 1047). The following information is obtained on the $680,000 of costs that were incurred in June to produce and sell 1,600 units.
The detailed CVP income statement for Vargo is shown below.
B.T. Hernandez Company, maker of high-quality flashlights, has experienced steady growth over the last 6 years. However, increased competition has led Mr. Hernandez, the president, to believe that an aggressive campaign is needed next year to maintain the company's present growth. The company's accountant has presented Mr. Hernandez with the data on the next page for the current year, 2014, for use in preparing next year's advertising campaign.
Mr. Hernandez has set the sales target for the year 2015 at a level of $550,000 (22,000 flashlights).
Instructions
(Ignore any income tax considerations.)
(a) What is the projected operating income for 2014 at the 20,000 expected sales level?
(b) What is the contribution margin per unit for 2014?
(c) What is the break-even point in units for 2014?
(d) Mr. Hernandez believes that to attain the sales target in the year 2015, the company must incur an additional selling expense of $10,000 for advertising in 2015, with all other costs remaining constant. What will be the break-even point in dollar sales for 2015 if the company spends the additional $10,000?
(e) If the company spends the additional $10,000 for advertising in 2015, what is the sales level in dollars required to equal 2014 operating income?
Action Plan
Know the formulas.
Recognize that variable costs change with sales volume; fixed costs do not.
Avoid computational errors.
Solution to Comprehensive DO IT!
1 Distinguish between variable and fixed costs. Variable costs are costs that vary in total directly and proportionately with changes in the activity index. Fixed costs are costs that remain the same in total regardless of changes in the activity index.
2 Explain the significance of the relevant range. The relevant range is the range of activity in which a company expects to operate during a year. It is important in CVP analysis because the behavior of costs is assumed to be linear throughout the relevant range.
3 Explain the concept of mixed costs. Mixed costs increase in total but not proportionately with changes in the activity level. For purposes of CVP analysis, mixed costs must be classified into their fixed and variable elements. One method that management may use to classify these costs is the high-low method.
4 List the five components of cost-volume-profit analysis. The five components of CVP analysis are (a) volume or level of activity, (b) unit selling prices, (c) variable cost per unit, (d) total fixed costs, and (e) sales mix.
5 Indicate what contribution margin is and how it can be expressed. Contribution margin is the amount of revenue remaining after deducting variable costs. It is identified in a CVP income statement, which classifies costs as variable or fixed. It can be expressed as a per unit amount or as a ratio.
6 Identify the three ways to determine the break-even point. The break-even point can be (a) computed from a mathematical equation, (b) computed by using a contribution margin technique, and (c) derived from a CVP graph.
7 Give the formulas for determining sales required to earn target net income. The general formula for required sales is Required sales – Variable costs – Fixed costs = Target net income. Two other formulas are Required sales in units = (Fixed costs + Target net income) ÷ Contribution margin per unit, and Required sales in dollars = (Fixed costs + Target net income) ÷ Contribution margin ratio.
8 Define margin of safety, and give the formulas for computing it. Margin of safety is the difference between actual or expected sales and sales at the break-even point. The formulas for margin of safety are: Actual (expected) sales – Break-even sales = Margin of safety in dollars; Margin of safety in dollars ÷ Actual (expected) sales = Margin of safety ratio.
9 Describe the essential features of a cost-volume-profit income statement. The CVP income statement classifies costs and expenses as variable or fixed and reports contribution margin in the body of the statement.
Activity index The activity that causes changes in the behavior of costs. (p. 1032).
Break-even point The level of activity at which total revenues equal total costs. (p. 1041).
Contribution margin (CM) The amount of revenue remaining after deducting variable costs. (p. 1040).
Contribution margin per unit The amount of revenue remaining per unit after deducting variable costs; calculated as unit selling price minus unit variable cost. (p. 1041).
Contribution margin ratio The percentage of each dollar of sales that is available to apply to fixed costs and contribute to net income; calculated as contribution margin per unit divided by unit selling price. (p. 1042).
Cost behavior analysis The study of how specific costs respond to changes in the level of business activity. (p. 1032).
Cost-volume-profit (CVP) analysis The study of the effects of changes in costs and volume on a company's profits. (p. 1040).
Cost-volume-profit (CVP) graph A graph showing the relationship between costs, volume, and profits. (p. 1045).
Cost-volume-profit (CVP) income statement A statement for internal use that classifies costs as fixed or variable and reports contribution margin in the body of the statement. (p. 1040).
Fixed costs Costs that remain the same in total regardless of changes in the activity level. (p. 1033).
High-low method A mathematical method that uses the total costs incurred at the high and low levels of activity to classify mixed costs into fixed and variable components. (p. 1037).
Margin of safety The difference between actual or expected sales and sales at the break-even point. (p. 1048).
Mixed costs Costs that contain both a variable and a fixed cost element and change in total but not proportionately with changes in the activity level. (p. 1035).
Relevant range The range of the activity index over which the company expects to operate during the year. (p. 1035).
Target net income The income objective set by management. (p. 1047).
Variable costs Costs that vary in total directly and proportionately with changes in the activity level. (p. 1032).
LEARNING OBJECTIVE 10
Explain the difference between absorption costing and variable costing.
In earlier chapters, we classified both variable and fixed manufacturing costs as product costs. In job order costing, for example, a job is assigned the costs of direct materials, direct labor, and both variable and fixed manufacturing overhead. This costing approach is referred to as full or absorption costing. It is so named because all manufacturing costs are charged to, or absorbed by, the product. Absorption costing is the approach used for external reporting under generally accepted accounting principles.
An alternative approach is to use variable costing. Under variable costing, only direct materials, direct labor, and variable manufacturing overhead costs are considered product costs. Companies recognize fixed manufacturing overhead costs as period costs (expenses) when incurred. Illustration 22A-1 shows the difference between absorption costing and variable costing.
Under both absorption and variable costing selling and administrative expenses are period costs.
Companies may not use variable costing for external financial reports because generally accepted accounting principles require that fixed manufacturing overhead be accounted for as a product cost.
To illustrate absorption and variable costing, assume that Premium Products Corporation manufactures a polyurethane sealant, called Fix-It, for car wind-shields. Relevant data for Fix-It in January 2014, the first month of production, are as follows.
The per unit manufacturing cost under each costing approach is computed in Illustration 22A-3.
The manufacturing cost per unit is $4 higher ($13 – $9) for absorption costing. This occurs because fixed manufacturing overhead costs are a product cost under absorption costing. Under variable costing, they are, instead, a period cost, and so they are expensed. Based on these data, each unit sold and each unit remaining in inventory is costed under absorption costing at $13 and under variable costing at $9.
Illustration 22A-4 shows the income statement for Premium Products using absorption costing. It shows that cost of goods manufactured is $390,000, computed by multiplying the 30,000 units produced times the manufacturing cost per unit of $13 (see Illustration 22A-3). Cost of goods sold is $260,000, after subtracting ending inventory of $130,000. Under absorption costing, $40,000 of the fixed overhead (10,000 units × $4) is deferred to a future period as part of the cost of ending inventory.
Helpful Hint The income statement format in Illustration 22A-4 is the same as that used under generally accepted accounting principles
As Illustration 22A-5 shows, companies use the cost-volume-profit format in preparing a variable costing income statement. The variable manufacturing cost of $270,000 is computed by multiplying the 30,000 units produced times variable manufacturing cost of $9 per unit (see Illustration 22A-3). As in absorption costing, both variable and fixed selling and administrative expenses are treated as period costs.
There is one primary difference between variable and absorption costing. Under variable costing, companies charge the fixed manufacturing overhead as an expense in the current period. Fixed manufacturing overhead costs of the current period, therefore, are not deferred to future periods through the ending inventory. As a result, absorption costing will show a higher net income number than variable costing whenever units produced exceed units sold. This difference can be seen in the income statements in Illustrations 22A-4 and 22A-5. There is a $40,000 difference in the ending inventories ($130,000 under absorption costing versus $90,000 under variable costing). Under absorption costing, $40,000 of the fixed overhead costs (10,000 units × $4) has been deferred to a future period as part of inventory. In contrast, under variable costing, all fixed manufacturing costs are expensed in the current period.
Helpful Hint Note the difference in the computation of the ending inventory: $9 per unit here, $13 per unit in Illustration 22A-4.
The following relationships apply:
Illustration 22A-6 summarizes the foregoing effects of the two costing approaches on income from operations.
The purpose of fixed manufacturing costs is to have productive facilities available for use. A company incurs these costs whether it operates at zero or at 100% of capacity. Thus, proponents of variable costing argue that these costs are period costs and therefore should be expensed when incurred.
Supporters of absorption costing defend the assignment of fixed manufacturing overhead costs to inventory. They say that these costs are as much a cost of getting a product ready for sale as direct materials or direct labor. Accordingly, they contend, these costs should not be matched with revenues until the product is sold.
The use of variable costing is acceptable only for internal use by management. It cannot be used in determining product costs in financial statements prepared in accordance with generally accepted accounting principles because it understates inventory costs. To comply with the matching principle, a company must use absorption costing for its work in process and finished goods inventories. Similarly, companies must use absorption costing for income tax purposes.