Relevant cost decisions
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Relevant Cost Decisions. DECISION MAKING IN THE SHORT TERM. Decisions. A decision model is a formal method of making a choice, often involving both quantitative and qualitative analyses A relevant cost is a cost that differs between alternatives. Five-Step Decision-Making Process.

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Relevant cost decisions l.jpg

Relevant Cost Decisions

DECISION MAKING IN THE SHORT TERM


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Decisions

  • A decision model is a formal method of making a choice, often involving both quantitative and qualitative analyses

  • A relevant costis a cost that differs between alternatives.


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Five-Step Decision-Making Process


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Relevance

  • Relevant Information has two characteristics:

    • It occurs in the future

    • It differs among the alternative courses of action

  • Relevant Costs – expected future costs

  • Relevant Revenues – expected future revenues


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Identifying Relevant Costs

Costs that can be eliminated (in whole or in part) by choosing one alternative over another are avoidable costs. Avoidable costs are relevant costs.

Unavoidable costs are never relevant and include:

  • Sunk costs.

  • Future costs that do not differbetween the alternatives.


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Identifying Relevant Costs

  • gather all costs associated with the alternatives

  • eliminate all sunk costs

  • Eliminate all future costs thatdon’t differ between alternatives

  • left are the avoidable costs


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Irrelevance

  • Historical costs are past costs that are irrelevant to decision making

    • Also called Sunk Costs- cost that has already been incurred and that cannot be avoided regardless of what a manager decides to do


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Types of Information

  • Quantitative factors are outcomes that can be measured in numerical terms

  • Qualitative factors are outcomes that are difficult to measure accurately in numerical terms, such as satisfaction

    • Are just as important as quantitative factors even though they are difficult to measure


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Terminology

  • Incremental Cost – the additional total cost incurred for an activity

  • Differential Cost – the difference in total cost between two alternatives

  • Incremental Revenue – the additional total revenue from an activity

  • Differential Revenue – the difference in total revenue between two alternatives


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Types of Decisions

  • One-Time-Only Special Orders

  • Insourcing vs. Outsourcing

  • Make or Buy

  • Product-Mix

  • Customer Profitability

  • Branch / Segment: Adding or Discontinuing

  • Equipment Replacement


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One-Time-Only Special Orders

  • Accepting or rejecting special orders when there is idle production capacity and the special orders have no long-run implications

  • Decision Rule: does the special order generate additional operating income?

    • Yes – accept

    • No – reject


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One-Time-Only Special Orders

  • Compares relevant revenues and relevant costs to determine profitability


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Special Orders

  • Acki Company receives a one-time order that is not considered part of its normal ongoing business.

  • Acki Company only produces one type of silver key chain with a unit variable cost of TL 16. Normal selling price is TL 40 per unit.

  • A company in KKTC offers to purchase 3,000 units for TL 20 per unit.

  • Annual capacity is 10,000 units, and annual fixed costs total TL78,000, but Acki company is currently producing and selling only 5,000 units.

Should Acki accept the offer?



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Special Orders

If Acki accepts the offer, net income will increase by TL 12.000.

Using the incremental approach:

Special order contribution margin = TL20 – TL 16 = TL 4

Change in income = TL 4 × 3,000 units = TL 12.000.


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Potential Problems with Relevant-Cost Analysis

  • Avoid incorrect general assumptions about information, especially:

    • “All variable costs are relevant and all fixed costs are irrelevant”

    • There are notable exceptions for both costs


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Potential Problems with Relevant-Cost Analysis

  • Problems with using unit-cost data:

    • Including irrelevant costs in error

    • Using the same unit-cost with different output levels

      • Fixed costs per unit change with different levels of output


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Avoiding Potential Problems with Relevant-Cost Analysis

  • Focus on Total Revenues and Total Costs, not their per-unit equivalents

  • Continually evaluate data to ensure that they meet the requirements of relevant information


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Insourcing vs. Outsourcing

  • Insourcing – producing goods or services within an organization

  • Outsourcing – purchasing goods or services from outside vendors

  • Also called the “Make or Buy” decision

  • Decision Rule: Select the option that will provide the firm with the lowest cost, and therefore the highest profit.


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Qualitative Factors

  • Nonquantitative factors may be extremely important in an evaluation process, yet do not show up directly in calculations:

    • Quality Requirements

    • Reputation of Outsourcer

    • Employee Morale

    • Logistical Considerations – distance from plant, etc.


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Opportunity Costs

  • Opportunity Cost is the contribution to operating income that is forgone by not using a limited resource in its next-best alternative use

    • “How much profit did the firm ‘lose out on’ by not selecting this alternative?”

    • The economic benefits that are foregone as a result of pursuing some course of action. Opportunity costs are not actual dollar outlays and are not recorded in the accounts of an organization.

  • Special type of Opportunity Cost: Holding Cost for Inventory. Funds tied up in inventory are not available for investment elsewhere


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The Make or Buy Decision

A decision concerning whether an item should be produced internally or purchased from an outside supplier is called a “make or buy” decision.


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The Make or Buy Decision

  • MA Company is thinking of buying a part that is currently used in one of its products from outside.

  • The unit cost to make this part is:


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The Make or Buy Decision

  • General factory overhead is allocated on the basis of direct labor hours and is not going to change if the parts are bought from outside.

  • The 90TL unit cost is based on 20,000 parts produced each year.

  • An outside supplier has offered to provide the 20,000 parts at a cost of 70TL per part.

    Should we accept the supplier’s offer?


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The Make or Buy Decision

Sunk Cost

Not avoidable and is irrelevant. If the product is dropped, it will be reallocated to other products.


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The Make or Buy Decision

DECISION RULE

In deciding whether to accept the outside supplier’s offer, MA isolated the relevant costs of making the part by eliminating:

  • The sunk costs.

  • The future costs that will not differ between making or buying the parts.


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Product-Mix Decisions

  • The decisions made by a company about which products to sell and in what quantities

  • Decision Rule (with a constraint): choose the product that produces the highest contribution margin per unit of the constraining resource


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Utilization of a Constrained Resource

  • Firms often face the problem of deciding how to best utilize a constrained resource.

  • Usually, fixed costs are not affected by this particular decision, so management can focus on maximizing total contribution margin.


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Utilization of a Constrained Resource

UM Company produces two products and selected data is shown below:


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Utilization of a Constrained Resource

  • Machine A1 is the constrained resource. There is excess capacity on all other machines. Machine A1 is being used at 100% of its capacity, and has a capacity of 2,400 minutes per week.

    Should UM focus its efforts on Product 1 or 2?


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Utilization of a Constrained Resource

Let’s calculate the contribution margin per unit of the constrained resource, machine A1.

Product 2 should be emphasized. Provides more valuable use of the constrained resource machine A1, yielding a contribution margin of TL 30 per minute as opposed to TL 24 for Product 1.


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Utilization of a Constrained Resource

Let’s calculate the contribution margin per unit of the scarce resource, machine A1.

Let’s see how this plan would work.

If there are no other considerations, the best plan would be to produce to meet current demand for Product 2 and then use remaining capacity to make Product 1.


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Utilization of a Constrained Resource

Let’s see how this plan would work.


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Utilization of a Constrained Resource

According to the plan, we will produce 2,200 units of Product 2 and 1,300 of Product 1. Our contribution margin looks like this.

The total contribution margin for UM is TL 64,200.


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Managing Constraints

Produce only what can be sold.

Finding ways to process more units through a resource bottleneck

At the bottleneck itself:

•Improve the process

• Add overtime or another shift

• Hire new workers or acquired

more machines

• Subcontract production

Eliminate waste.

Streamline production process.


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Adding or Dropping Customers

  • Decision Rule: Does adding or dropping a customer add operating income to the firm?

    • Yes – add or don’t drop

    • No – drop or don’t add

  • Decision is based on profitability of the customer, not how much revenue a customer generates


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Adding or DiscontinuingBranches or Segments

  • Decision Rule: Does adding or discontinuing a branch or segment add operating income to the firm?

    • Yes – add or don’t discontinue

    • No – discontinue or don’t add

  • Decision is based on profitability of the branch or segment, not how much revenue the branch or segment generates


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Adding/Dropping Segments

Should the company drop digital instruments division?

General Factory Overhead and General Administrative Expenses are unavoidable costs.

Assume that the equipment used in manufacturing digital instruments has no resale value or alternative use.


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Incremental Approach

DECISION RULE

UM should drop the digital instruments division only if the avoided fixed costs of the division exceed lost contribution margin of this division.


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Incremental Approach

What about depreciation?


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Comparative Income Approach

Prepare comparative income statements showing results with and without the digital instruments division.


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Joint Product Costs

  • In some industries, a number of end products are produced from a single raw material input.

  • Two or more products produced from a common input are called joint products.

  • The point in the manufacturing process where each joint product can be recognized as a separate product is called the split-off point.


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Joint Products

Joint

Costs

Oil

Common

Production

Process

Joint

Input

Gasoline

Chemicals

Split-Off

Point


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Joint Products

Joint

Costs

Final

Sale

Separate

Processing

Oil

Common

Production

Process

Joint

Input

Final

Sale

Gasoline

Separate

Processing

Final

Sale

Chemicals

Separate

Product

Costs

Split-Off

Point


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The Pitfalls of Allocation of Joint Costs

  • Joint costs are really common costs incurred to simultaneously produce a variety of end products.

  • Joint costs are often allocated to end products on the basis of the relative sales valueof each product or on some other basis.


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Sell or Process Further

Decision Rule:

  • It will always profitable to continue processing a joint product after the split-off point so long as the incremental revenue exceeds the incremental processing costs incurred after the split-off point.

    Let’s look at the Kere example.


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Sell or Process Further

  • Kere Company cuts logs from which unfinished lumber and sawdust are the immediate joint products.

  • Unfinished lumber is sold “as is” or processed further into finished lumber.

  • Sawdust can also be sold “as is” to gardening wholesalers or processed further into “ready-logs.”


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Sell or Process Further

Data about Kere’s joint products includes:


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Sell or Process Further

Should Kere process the lumber

further and sell the sawdust “as is?”


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Behavioral Implications

  • Despite the quantitative nature of some aspects of decision making, not all managers will choose the best alternative for the firm

  • Managers could engage in self-serving behavior such as delaying needed equipment maintenance in order to meet their personal profitability quotas for bonus consideration


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