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Prepared by Debby Bloom-Hill CMA, CFM
CHAPTER 4CHAPTER 4
Cost-Volume-Profit AnalysisCost-Volume-Profit Analysis
Slide 4-2
Management QuestionsManagement Questions
Planning What level of profit should be in the
budget for the coming year? Control
Did the manager responsible for production costs do a good job of controlling costs?
Decision making Should the price be increased?
Learning objective 1: Identify common cost behavior patterns
Slide 4-3
Variable Costs Costs which change directly in
proportion to changes in quantity or activity
Fixed Costs Costs which do not change when
quantity or activity volume changes
Common Cost Behavior Patterns
Common Cost Behavior Patterns
Learning objective 1: Identify common cost behavior patterns
Slide 4-4
Mixed Costs Costs that have both variable and
fixed elements Step Costs
Fixed for a range of output, but increase when upper bound of range is exceeded
Common Cost Behavior Patterns
Common Cost Behavior Patterns
Learning objective 1: Identify common cost behavior patterns
Slide 4-5
Variable CostsVariable Costs Costs that change in proportion to
changes in volume or activity An automobile manufacturer will
need 400 tires to make 100 cars, but 4,000 tires to make 1,000 cars
A bakery will need 2 eggs to make 1 cake and 20 eggs to make 10 cakes
If activity increases by a certain percentage, cost increases by that same percentage
Learning objective 1: Identify common cost behavior patterns
Slide 4-6
A company has decided that direct labor costs are 100% variable. Last month total direct labor costs were $125,000 and total direct labor hours worked were 10,000.1.What is the direct labor cost per hour?
$125,000 / 10,000 hours = $12.50 per hour
2.Predict labor costs in a month when 12,000 labor hours are worked
$12.50 per hour × 12,000 hours = $150,000
Learning objective 1: Identify common cost behavior patterns
Slide 4-7
Variable CostsVariable Costs
Total Variable Cost = $91 × Units produced
Learning objective 1: Identify common cost behavior patterns
Slide 4-8
Fixed CostsFixed Costs
Do not change in response to changes in activity level
Typical fixed costs are depreciation, supervisory salaries, and building maintenance• Rent for a bakery will not double if
output increases from 100 to 200 cakes
If activity increases by a certain percentage, costs remain unchanged
Learning objective 1: Identify common cost behavior patterns
Slide 4-9
Fixed CostsFixed Costs
Total fixed cost = $94,000
Learning objective 1: Identify common cost behavior patterns
Slide 4-10
Fixed CostsFixed Costs Discretionary fixed costs
Management can easily change, e.g. advertising, research & development Many companies cut back on these costs
when sales drop. This can be shortsighted
A cut in research & development can have a negative effect on long run profitability
A cut in repair and maintenance can have a negative effect on the life of valuable assets
Committed fixed costs Cannot be easily changed, e.g. rent,
insurance Learning objective 1: Identify common cost behavior patternsSlide 4-11
Mixed CostsMixed Costs
Contain both variable and fixed cost elements
Can separate mixed costs into variable and fixed components Salesperson with base salary (fixed)
and commission on sales (variable) Base salary included with fixed costs Commission included with variable
costs
Learning objective 1: Identify common cost behavior patterns
Slide 4-12
Mixed CostsMixed Costs
Total cost = ($91 × Units produced) + $94,000
Learning objective 1: Identify common cost behavior patterns
Slide 4-13
Step CostsStep Costs
Fixed cost for a specific range of volume Increases to higher level when upper
bound of range is exceeded At that point, costs again remain fixed
until another upper bound is exceeded Step costs are often classified as either:
Step variable costs, if the range of activity where the cost is fixed is small, or
Step fixed costs, if the range of activity where the cost is fixed is large
Learning objective 1: Identify common cost behavior patterns
Slide 4-14
Step CostsStep Costs
Total step costs = $7,000 for relevant range 0 – 3,000 units
produced$14,000 for relevant range 3,001 – 6,000 units$21,000 for relevant range 6,001 – 9,000 units
Learning objective 1: Identify common cost behavior patterns
Slide 4-15
Relevant RangeRelevant Range
Learning objective 1: Identify common cost behavior patterns
Slide 4-16
The relevant range is the range of activity for which assumptions as to how costs behave are reasonably valid If it is known that production is going
to be within the relevant range, we can use assumptions about the fixed and variable costs
Making assumptions about fixed and variable costs at production levels well above or below this range would not be valid
The Relevant RangeThe Relevant Range
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-17
Cost Estimation MethodsCost Estimation Methods
Account Analysis Classify costs into variable and fixed
pools Scattergraphs
Can see cost relationships visually High-Low Method
Linear estimation connects high and low volume observations
Regression Analysis Linear estimation is best fit to observed
values
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-18
Account AnalysisAccount Analysis
Most common approach Requires professional judgment of
management Management classifies costs as
fixed, variable, or mixed Total variable costs divided by
activity equals variable cost per unit Variable cost per unit and total fixed
costs can be used in cost equation
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-19
Account AnalysisAccount Analysis
Slide 4-20Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
ScattergraphsScattergraphs
Utilization of cost information from several previous periods
Weekly, monthly, or quarterly cost reports are useful
Plot the actual costs at the observed activity levels Look for relationship between cost
and activity, linear is ideal Use relationship to predict future
costs
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-21
ScattergraphsScattergraphs
Is there a relationship between units produced and production costs? Describe the relationship.
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-22
High-Low MethodHigh-Low Method
Utilization of cost information from previous periods
Fits a straight line from lowest activity level to highest activity level Slope of the line is the estimate of the
unit variable cost The slope measures the change in cost per unit change in activity level
Total cost at lowest or highest activity level minus variable cost at that level equals fixed cost
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-23
High-Low MethodHigh-Low Method
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-24
Total cost at high
activity level
Total cost at low activity
level
High-Low MethodHigh-Low Method
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-25
High-Low MethodHigh-Low Method
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-26
During the past year, Island Air flew 15,000 miles in August (its busiest month) and had total costs of $300,000. In November (its least busy month) the company flew 5,000 miles and had $200,000 of costs. Using the high-low method, estimate variable cost per mile and fixed cost per month.
a. $20 of variable cost and $100,000 fixedb. $15 of variable cost and $250,000 fixedc. $10 of variable cost and $150,000 fixedd. $5 of variable cost and $250,000 fixed
Answer: c
Learning objective 1: Identify common cost behavior patterns
Slide 4-27
During the past year, Island Air flew 15,000 miles in August (its busiest month) and had total costs of $300,000. In November (its least busy month) the company flew 5,000 miles and had $200,000 of costs. Using the high-low method, estimate variable cost per mile and fixed cost per month.
Estimate of variable cost = = = $10
Variable cost at low level = $10 * 5,000 miles = $50,000
Fixed cost = $200,000 total – $50,000 variable = $150,000
Learning objective 1: Identify common cost behavior patterns
Slide 4-28
Regression AnalysisRegression Analysis
Statistical technique Estimates the slope and intercept of a
cost equation Finds the best straight line fit to the
observations Typically statistical software packages
are utilized Spreadsheet applications like Excel®
typically include statistical operations See appendix fox Excel® example
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-29
Cost-Volume-Profit AnalysisCost-Volume-Profit Analysis
The Profit Equation
Profit = SP(x) – VC(x) – TFC
Where: x = Quantity of units produced and
sold SP = Selling price per unit VC = Variable cost per unitTFC = Total fixed cost
Fundamental to CVP analysis
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-30
Cost-Volume-Profit AnalysisCost-Volume-Profit Analysis
Break-Even Point Number of units sold that allow the
company to neither earn a profit nor incur a loss
$0 = SP(x) – VC(x) – TFC CodeConnect has the following cost
structure Selling price $200.00 per unit Variable cost $90.83 per unit Total fixed cost $160,285
Find CodeConnect’s break-even point
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-31
Cost-Volume-Profit AnalysisCost-Volume-Profit Analysis
Break-Even Point$0 = SP(x) – VC(x) – TFC$0 = $200.00 (x) – $90.83(x) – $160,285$0 = $109.17(x) – $160,285$109.17(x) = $160,285x = $160,285 / $109.17x = 1,468.21 units
Break-even point is 1,469 units (always round up)
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-32
Break-Even PointBreak-Even Point
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-33
Gabby’s Wedding Cakes creates elaborate wedding cakes. Each cake sells for $500. The variable cost of baking the cakes is $200 and the fixed cost per month is $6,000. What is the break-even point in number of units?
a. 200b. 20c. 12d. 100
Answer: b
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-34
Gabby’s Wedding Cakes creates elaborate wedding cakes. Each cake sells for $500. The variable cost of baking the cakes is $200 and the fixed cost per month is $6,000. What is the break-even point in number of units?
0 = SP(x) – VC(x) – TFC0 = (SP – VC)(x) – TFC0 = (500 – 200)(x) – 6,0000 = 300(x) – 6,000300(x) = 6,000x = 6,000 / 300 = 20
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-35
Margin of SafetyMargin of Safety
The margin of safety is the difference between the expected level of sales and break-even sales If breakeven sales for Model DX375 is
$293,600 and expected sales are $350,000, calculate the margin of safety
The margin of safety is: $350,000 - $293,600 = $56,400
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-36
Margin of Safety RatioMargin of Safety Ratio
The margin of safety can also be expressed as a ratio Called the margin of safety ratio Equal to the margin of safety divided
by expected sales Shows what percentage sales would
have to drop before the product shows a loss
= = = 0.16
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-37
Margin ofsafety ratio
Contribution MarginContribution Margin
Difference between revenue and variable costs Contribution margin = total revenue
minus total variable costs Contribution margin per unit =
selling price minus variable cost per unit For CodeConnect’s Model DX375, the contribution margin is the $200.00 selling price less the variable cost of $90.83
$200.00 – $90.83 = $109.17Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-38
Contribution MarginContribution Margin
The contribution margin per unit measures the amount of incremental profit generated by selling an additional unit For CodeConnect, how much
incremental profit would be generated by selling 100 more units?
Incremental profit = number of units sold * contribution margin per unit
Incremental profit = 100 * $109.17 = $10,917
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-39
Contribution MarginContribution Margin
The profit equation in terms of the contribution margin
Profit = SP(x) – VC(x) – TFC
Profit = (SP – VC)(x) – TFC
Profit = Contribution margin per unit(x) - TFC
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-40
Units Needed for Target Profit
Units Needed for Target Profit
Solve the profit equation for the sales quantity in units Unit sales (x) needed to attain a
specified profit =
=
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-41
Gabby’s Wedding Cakes creates elaborate wedding cakes. Each cake sells for $500. The variable cost of baking the cakes is $200 and the fixed cost per month is $6,000
1.Calculate the break-even point in units
= = = 20 cakes
2. How many cakes must be sold to earn a profit of $9,000?
= = = 50 cakes
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-42
Contribution Margin RatioContribution Margin Ratio
The unit contribution margin ratio measures the amount of incremental profit generated by an additional dollar of sales Two methods to calculate the
contribution margin ratio1. Contribution margin divided by
sales revenue (Sales – TVC) / Sales2. Unit contribution margin divided by
selling price (SP – VC) / SP
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-43
Contribution Margin RatioContribution Margin Ratio
For the Model DX375 bar code reader, the contribution margin ratio is
= 0.54585 This indicates that the company earns
an incremental $0.54585 for every dollar of sales
If sales increase $10,000 the incremental profit is 0.54585 * $10,000 = $5,458.50
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-44
“What If” Analysis“What If” Analysis
“What if” analysis examines what will happen if an action is taken The profit equation can show how
profit will be affect by various options under consideration CodeConnect is selling 3,000 units at $200, with variable cost of $90.83 and fixed cost of $160,285
Management is considering a change to $80.00 variable cost and fixed cost of $210,285
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-45
“What If” Analysis“What If” Analysis
Change in fixed and variable costs Without the change, the profit is
$200(3,000) - $90.83(3,000) - $160,285 = $167,225
If the price and quantity stay the same, the profit assuming the alternative is selected would be
$200(3,000) - $80(3,000) - $210,285 = $149,715
The alternative would hurt profitability
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-46
“What If” Analysis“What If” Analysis
Change in selling price Any one of the variables in the profit
equation can be considered For example, if CodeConnect sells
3,000 units, what selling price is required to earn a profit of $200,000?
$200,000 = SP(3,000) - $90.83(3,000) - $160,285SP(3,000) = $632,775SP = $210.93
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-47
Matthews Consulting expects to work 5,000 hours next month. It has variable costs of $100 per hour and fixed costs of $600,000. What price must the company charge to earn a monthly profit of $900,000?
a. $500
b. $350
c. $400
d. $200
Answer: c
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-48
Matthews Consulting expects to work 5,000 hours next month. It has variable costs of $100 per hour and fixed costs of $600,000. What price must the company charge to earn a monthly profit of $900,000?
$900,000 = SP(5,000) - $100(5,000) - $600,000$900,000 = SP(5,000) - $1,100,000SP(5,000) = $2,000,000SP = $2,000,000 / 5,000 = $400
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-49
Multiproduct AnalysisMultiproduct Analysis
Contribution margin approach Used if the items sold are similar Calculate a weighted average
contribution margin per unit Use the weighted average contribution
margin in the profit formula to calculate breakeven point and target sales
The relative product mix is then used to calculate the required sales of individual items
Learning objective 3: Perform cost-volume profit analysis for single products
Slide 4-50
Multiproduct AnalysisMultiproduct Analysis
Learning objective 4: Perform cost-volume profit analysis for multiple products
Slide 4-51
The company has fixed costs of $3,500,000
Multiproduct AnalysisMultiproduct Analysis Break-even sales in units
=
= 2,500 units
The 2,500 units is made up of the 2:1 mix, so Rohr must sell 1,667 Model A (2/3 of 2,500) and 833 Model B units (1/3 0f 2,500)
Learning objective 4: Perform cost-volume profit analysis for multiple products
Slide 4-52
Multiproduct AnalysisMultiproduct Analysis
Contribution Margin Ratio Approach Products are substantially different
Calculate total company contribution margin ratio
Use total company contribution margin ratio to compute required sales in dollars Total company fixed costs (common
costs) are not included for contribution margin approach but used for contribution margin ratio approach
Learning objective 4: Perform cost-volume profit analysis for multiple products
Slide 4-53
Multiproduct AnalysisMultiproduct Analysis
A company with 4 divisions has the following information available:
Total sales $6,450,000Total variable costs $4,706,000Total direct fixed costs $484,000Total common fixed costs $1,120,000
1.Calculate total contribution margin ratio($6,450,000 – $4,706,000) / $6,450,000 = .2704
2.Calculate total company break-even sales in dollars($484,000 + $1,120,000) / .2704 = $5,931,953 Learning objective 4: Perform cost-volume profit analysis for multiple products
Slide 4-54
Assumptions in CVP Analysis
Assumptions in CVP Analysis
Assumptions can affect the validity of the analysis1. Costs can be separated into fixed
and variable components2. Total fixed cost and unit variable
cost do not change over the levels of interest
3. Multiproduct analysis assumes the product mix does not change
Despite assumptions, CVP is useful
Learning objective 4: Perform cost-volume profit analysis for multiple products
Slide 4-55
Operating LeverageOperating Leverage
Level of fixed versus variable costs in a company
A company with a high level of fixed costs has a high operating leverage Companies with high operating
leverage have large fluctuations in profit when sales increase or decrease These companies are seen as more risky
High operating leverage is better when sales are expected to increase
Learning objective 5: Discuss the effect of operating leverage
Slide 4-56
ConstraintsConstraints Due to shortages of space, equipment or
labor there can be constraints on how many items can be produced
Utilize contribution margin per unit to analyze situations Calculate contribution margin per unit of
constraint Produce product with highest
contribution margin per unit of constraint
Linear programming can solve multiple constraints
Learning objective 6: Use the cost per unit of the constraint to analyze situations involving a resource constraint
Slide 4-57
ConstraintsConstraints
A company can produce Product A or Product B using the same machinery. Only 1,000 machine hours are available
Product A Product BSelling price $500 $300Variable cost 300 200Contribution margin $200 $100Machine hours toproduce one unit 10 hours 2 hoursContribution marginper machine hour $20 $50
Learning objective 6: Use the cost per unit of the constraint to analyze situations involving a resource constraint
Slide 4-58
ConstraintsConstraints With the 1,000 available machine
hours, Product A generates $20,000 of
contribution margin Product B generates $50,000 of
contribution margin Although Product A has the higher
contribution margin per unit, Product B has the higher contribution margin per unit of constraint
Learning objective 6: Use the cost per unit of the constraint to analyze situations involving a resource constraint
Slide 4-59
CHAPTER 4CHAPTER 4
Cost-Volume-Profit Analysis
Appendix
Cost-Volume-Profit Analysis
Appendix
Slide 4-60
Regression AnalysisRegression Analysis
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-61
Regression AnalysisRegression Analysis
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-62
Regression AnalysisRegression Analysis
Learning objective 2: Estimate the relation between cost and activity using account analysis and the high-low method
Slide 4-63
CopyrightCopyright© 2010 John Wiley & Sons, Inc. All rights reserved. Reproduction or translation of this work beyond that permitted in Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner is unlawful. Request for further information should be addressed to the Permissions Department, John Wiley & Sons, Inc. The purchaser may make back-up copies for his/her own use only and not for distribution or resale. The Publisher assumes no responsibility for errors, omissions, or damages, caused by the use of these programs or from the use of the information contained herein.Slide 4-64