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8/3/2019 Relevant Cost & Info
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11 - 12003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Decision Making and
Relevant Information
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11 - 22003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Learning Objective 1
Use the five-step decision
process to makedecisions.
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Information and the
Decision Process
A decision model is a formal method
for making a choice, often involvingquantitative and qualitative analysis.
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11 - 42003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Five-Step Decision ProcessGather Information
Make Predictions
Choose an Alternative
Implement the Decision
Evaluate Performance
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Historical Costs
Other Information
Specific Predictions
Feedback
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Learning Objective 2
Differentiate relevant
from irrelevant
costs and revenues in
decision situations.
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The Meaning of Relevance
Relevant costs and relevant revenues are
expected future costs and revenues thatdiffer among alternative courses of action.
Historical costs Sunk costs
Differential income Differential costs
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Learning Objective 3
Distinguish between quantitative
and qualitative factors in decisions.
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Quantitative and Qualitative
Relevant Information
Quantitative factors
Financial Nonfinancial
Qualitative factors
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11 - 92003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
One-Time-Only
Special Order Example
The Bismark Co. manufacturing plant has a
production capacity of 44,000 towels each month.Current monthly production is 30,000 towels.
Costs can be classified as either variable or fixed
with respect to units of output.
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One-Time-Only
Special Order Example
Variable Fixed
Costs CostsPer Unit Per Unit
Direct materials $6.50 $ -0-
Direct labor .50 1.50
Manufacturing costs 1.50 3.50
Total $8.50 $5.00
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One-Time-Only
Special Order Example
Total fixed direct manufacturing labor is $45,000.
Total fixed overhead is $105,000.
Marketing costs per unit are $7
($5 of which is variable).
What is the full cost per towel?
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One-Time-Only
Special Order Example
A hotel in San Juan has offered to buy
5,000 towels from Bismark Co. at$11.50/towel for a total of $57,500.
No marketing costs will be incurred.
Variable ($8.50 + $5.00): $13.50
Fixed: 7.00Total $20.50
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One-Time-Only
Special Order Example
$8.50 5,000 = $42,500 incremental costs
What are the incremental revenues ?
What are the relevant costs of making the towels ?
$57,500 $42,500 = $15,000
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Learning Objective 4
Beware of two potential
problems in
relevant-cost analysis.
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Two Potential Problems in
Relevant-Cost Analysis
Incorrect general
assumptions:
All variable costs
are relevant.
All fixed costsare irrelevant.
1 2Misleading
unit-cost data:
Include
irrelevant costs.
Use same unitcosts at different
output levels.
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11 - 162003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Outsourcing versus Insourcing
Outsourcing is
purchasing goodsand services from
outside vendors.
Insourcing is
producing goodsor providing services
within the organization.
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Make-or-Buy Decisions Example
Bismark Co. also manufactures bath accessories.
Management is considering producing a part itneeds (#2) or buying a part produced
by Towson Co. for $0.55.
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11 - 182003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Make-or-Buy Decisions ExampleBismark Co. has the following costs
for 150,000 units of Part #2:
Direct materials $ 28,000
Direct labor 18,500
Mixed overhead 29,000
Variable overhead 15,000Fixed overhead 30,000
Total $120,500
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11 - 192003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Make-or-Buy Decisions ExampleMixed overhead consists of material
handling and setup costs.
Bismark Co. produces the 150,000 units
in 100 batches of 1,500 units each.
Total material handling and setup costsequal fixed costs of $9,000 plus variable
costs of $200 per batch.
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11 - 202003 Prentice Hall Business Publishing, Cost Accounting11/e, Horngren/Datar/Foster
Make-or-Buy Decisions Example
What is the cost per unit for Part #2?
$120,500 150,000 units = $0.8033/unit
Should Bismark Co. manufacture the part
or buy it from Towson Co.?
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Make-or-Buy Decisions Example
Bismark Co. anticipates that next year the
150,000 units of Part #2 expected to besold will be manufactured in 150
batches of 1,000 units each.
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Make-or-Buy Decisions Example
Variable costs per batch are expected to
decrease to $100.Bismark Co. plans to continue to produce
150,000 next year at the same variable
manufacturing costs per unit as this year.Fixed costs are expected to remain the
same as this year.
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Make-or-Buy Decisions Example
What is the variable manufacturing cost per unit?
$61,500 150,000 = $0.41 per unit
Direct material $28,000Direct labor 18,500
Variable overhead 15,000
Total $61,500
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Make-or-Buy Decisions Example
Expected relevant cost to make Part #2:
Cost to buy: (150,000 $0.55) $82,500
Manufacturing $61,500Material handling and setups 15,000*
Total relevant cost to make $76,500
*150 $100 = $15,000
Bismark Co. will save $6,000 by making the part.
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Make-or-Buy Decisions Example
Now assume that the $9,000 in fixed clerical
salaries to support material handling andsetup will not be incurred if Part #2 is
purchased from Towson Co..
Should Bismark Co. buy the part or make the part?
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Make-or-Buy Decisions Example
Relevant cost to make:
Variable $76,500Fixed 9,000
Total $85,500
Cost to buy: $82,500Bismark would save $3,000 by buying the part.
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Learning Objective 5
Explain the opportunity-cost
concept and why it is
used in decision making.
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Opportunity Costs,
Outsourcing, and Constraints
Assume that if Bismark buys the part from
Towson, it can use the facilities previously
used to manufacture Part #2 to produce
Part #3 for Krysta Company.
The expected additional future operating
income is $18,000.
What should Bismark Co. do?
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Opportunity Costs,
Outsourcing, and Constraints
Bismark Co. has three options regarding Krysta:
1. Make Part #2 and do not make Part #3.
2. Buy Part #2 and do not make Part #3.
3. Buy the part and use the facilities to produce
Part #3.
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Opportunity Costs,
Outsourcing, and Constraints
Expected cost of obtaining 150,000 parts:
Buy Part #2 and do not make Part #3: $82,500
Buy Part #2 and make Part #3:
$82,500 $18,000 = $64,500
Make Part #2: $76,500
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Opportunity Costs,
Outsourcing, and Constraints
Opportunity cost is the contribution to income
that is forgone (rejected) by not using alimited resource in its next-best alternative use.
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Opportunity Costs,
Outsourcing, and Constraints
Assume that annual estimated Part #2
requirements for next year is 150,000.
Cost per purchase order is $40.
Cost per unit when each purchase is
1,500 units = $0.55.Cost per unit when each purchase is equal
to or greater than 150,000 = $0.54.
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Opportunity Costs,
Outsourcing, and Constraints
Average investment in inventory is either:
(1,500 .55) 2 = $412.50 or
(150,000 $0.54) = $40,500
Annual interest rate for investment in
government bonds is 6%.$412.50 .06 = $24.75
$40,500 .06 = $2,430
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Opportunity Costs,
Outsourcing, and Constraints
Option A: Make 100 purchases of 1,500 units:
Purchase order costs: (100 $40) $ 4,000.00
Purchase costs: (150,000 $0.55) $82,500.00
Annual interest income: $ 24.75
Relevant costs: $86,524.75
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Opportunity Costs,
Outsourcing, and Constraints
Option B: Make 1 purchase of 150,000 units:
Purchase order costs: (1 $40) $ 40
Purchase costs: (150,000 $0.54) $81,000
Annual interest income: $ 2,430
Relevant costs: $83,470
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Learning Objective 6
Know how to choose which
products to produce when there
are capacity constraints.
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Product-Mix Decisions
Under Capacity Constraints
Per unit Product #2 Product #3
Sales price $2.11 $14.50Variable expenses 0.41 13.90
Contribution margin $1.70 $ 0.60
Contribution margin ratio 81% 4%
Bismark Co. has 3,000 machine-hours available.
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Product-Mix Decisions
Under Capacity Constraints
One unit of Prod. #2 requires 7 machine-hours.
One unit of Prod. #3 requires 2 machine-hours.
What is the contribution of each product
per machine-hour?
Product #2: $1.70 7 = $0.24
Product #3: $0.60 2 = $0.30
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Learning Objective 7
Discuss what managers
must consider when
adding or discontinuing
customers and segments.
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Profitability, Activity-Based
Costing, and Relevant Costs
Mountain View Furniture supplies furniture
to two local retailers Stevens and Cohen.The company has a monthly capacity
of 3,000 machine-hours.
Fixed costs are allocated on the basis of revenues.
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Profitability, Activity-Based
Costing, and Relevant Costs
Stevens Cohen
Revenues $200,000 $100,000Variable costs 70,000 60,000
Fixed costs 100,000 50,000
Total operating costs $170,000 $110,000
Operating income $ 30,000 $(10,000)
Machine-hours required 2,000 1,000
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Profitability, Activity-Based
Costing, and Relevant Costs
Total
Revenues $300,000Variable costs 130,000
Fixed costs 150,000
Total operating costs $280,000
Operating income $ 20,000
Machine-hours required 3,000
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Profitability, Activity-Based
Costing, and Relevant Costs
Should Mountain View Furniture drop the Cohen
business, assuming that dropping Cohen woulddecrease its total fixed costs by 10%?
New fixed costs would be:
$150,000 $15,000 = $135,000
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Profitability, Activity-Based
Costing, and Relevant Costs
Cohens business is providing a
contribution margin of $40,000.$40,000 decrease in contribution margin
$15,000 decrease in fixed costs
= $25,000 decrease in operating income.
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Profitability, Activity-Based
Costing, and Relevant Costs
Assume that if Mountain View Furniture drops
Cohens business it can lease the excess capacityto the Perez Corporation for $70,000.
Fixed costs would not decrease.
Should Mountain View Furniture lease to Perez?
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Learning Objective 8
Explain why the book value
of equipment is irrelevant in
equipment-replacement decisions.
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Equipment-Replacement
Decisions Example
Existing Replacement
Machine Machine
Original cost $80,000 $105,000Useful life 4 years 4 years
Accumulated depreciation $50,000
Book value $30,000Disposal price $14,000
Annual costs $46,000 $ 10,000
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Equipment-Replacement
Decisions Example
Ignoring the time value of money and
income taxes, should the company
replace the existing machine?The cost savings over a 4-year period will be
$36,000 4 = $144,000.
Investment = $105,000 $14,000 = $91,000
$144,000 $91,000 = $53,000
advantage of the replacement machine.
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Learning Objective 9
Explain how conflicts can arise
between the decision modelused by a manager and the
performance evaluation model
used to evaluate the manager.
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Decisions and
Performance Evaluation
What is the journal entry to sell the existing machine?
Cash 14,000Accumulated Depreciation 50,000
Loss on Disposal 16,000
Machine 80,000
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Decisions and
Performance Evaluation
In the real world would the manager
replace the machine?An important factor in replacement decisions
is the managers perceptions of whether the
decision model is consistent with how themanagers performance is judged.
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Decisions and
Performance Evaluation
Top management faces a challenge that is,
making sure that the performance-evaluationmodel of subordinate managers is consistent
with the decision model.
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Thanks