
An irrelevant cost is a category of cost that is not affected by managerial decisions. This means this cost does not change regardless of changes in decisions made by the management. Irrelevant costs are used in managerial accounting to describe costs that are relevant to managerial decisions but do not change as a result of the decision made.
What are the relevant and irrelevant costs?
Relevant costs are real costs and not merely notional costs. Relevant cost should result in outflow of cash or economic benefits of the entity. Irrelevant Cost. Irrelevant costs are costs which are NOT incurred as a direct consequence of choosing a particular alternative or making a particular decision. These costs will be incurred anyway ...
What are irrelevent costs?
Irrelevant costs are costs which are independent of the various decisions or alternatives. They are not considered in making a decision. Irrelevant costs may be classified into two categories viz. sunk costs and costs which are same for different alternatives. Sunk cost is a cost which is already incurred.
What is an example of relevant cost?
Relevant costs usually relate to the short-term. Irrelevant costs are generally for the long-term as they are mostly capital or one-off expenditures. In the long-term, however, most costs are relevant. For instance, if a company is planning for ten years ahead, then it would consider all types of cost, including the fixed and sunk cost that it ...
Are fixed costs always irrelevant?
Hence, it is always irrelevant for decision making as it does not affect the new decision. Do not treat fixed cost as always an irrelevant cost. If fixed cost is changed due to the decision making, then it becomes relevant. With the given information in the question, determine the cost which is not relevant.

What is relevant and irrelevant?
Irrelevant means not related to the subject at hand. If a rock star becomes irrelevant, it means people are not relating––or even listening––to his music anymore. It isn't part of what people are thinking or talking about. The opposite is relevant, meaning related.
What is relevant cost in simple words?
Relevant cost is a managerial accounting term that describes avoidable costs that are incurred only when making specific business decisions. The concept of relevant cost is used to eliminate unnecessary data that could complicate the decision-making process.
Is salary an irrelevant cost?
Examples of Irrelevant Costs For example, the salary of an investor relations officer may be an irrelevant cost if a management decision relates to issuing a new product, since dealing with investors has nothing to do with that particular decision.
How do you determine irrelevant costs?
'Relevant costs' can be defined as any cost relevant to a decision. A matter is relevant if there is a change in cash flow that is caused by the decision. The change in cash flow can be: additional amounts that must be paid....Solution:Update cost =$100,000Less sales proceeds foregone =$75,000Net cash outflow$25,0001 more row
What is relevant and irrelevant cost?
Relevant costs are costs that will be affected by a managerial decision. Irrelevant costs are those that will not change in the future when you make one decision versus another. Examples of irrelevant costs are sunk costs, committed costs, or overheads as these cannot be avoided.
What is another name for a relevant cost?
Definition: Relevant cost, also called differential cost, is a management accounting term decsribing costs that pertain to a particular decision.
Why sunk cost is irrelevant?
A sunk cost is a cost that has been incurred and cannot be recovered. The money is spent. In accounting, a sunk cost is a type of irrelevant cost. When facing a potential project or investment, a manager must only consider relevant costs and ignore all irrelevant costs.
Is overhead a relevant cost?
Example of Relevant Costs However, the cost of corporate overhead is not a relevant cost, since it will not change as a result of this decision. As another example, if ABC wants to close its medieval book division entirely, the only relevant costs will be those costs specifically eliminated as a result of the decision.
Why is depreciation not a relevant cost?
Non-cash expenses such as depreciation are not relevant because they do not affect the cash flows of a business. Where different alternatives are being considered, relevant cost is the incremental or differential cost between the various alternatives being considered.
Why is relevant cost important?
Relevant cost is a useful financial metric because it helps companies to minimize nonessential or irrelevant costs that would otherwise complicate the decision-making process. Something is an irrelevant cost if it cannot economically influence your decisions.
What is difference between sunk cost and relevant cost?
The relevant costs are contrasted with the potential revenue of one choice compared to another. Sunk costs are excluded from future business decisions because the cost will remain the same regardless of the outcome of a decision.
Is interest a relevant cost?
Relevant costs are cash flows. Notional costs such as depreciation, interest costs and absorbed fixed cost are not relevant cost.
Which of the following best describes relevant cost?
A "relevant cost" is best described by which of the following? a positive contribution margin.
Why is relevant cost important?
Relevant cost is a useful financial metric because it helps companies to minimize nonessential or irrelevant costs that would otherwise complicate the decision-making process. Something is an irrelevant cost if it cannot economically influence your decisions.
What is relevant cost quizlet?
A relevant cost is a cost that differs between. Alternatives. A cost that can be eliminated, either in whole or part, by choosing one alternative over another. Avoidable cost. Blank costs are always relevant.
What is difference between sunk cost and relevant cost?
The relevant costs are contrasted with the potential revenue of one choice compared to another. Sunk costs are excluded from future business decisions because the cost will remain the same regardless of the outcome of a decision.
What is irrelevant cost?
Irrelevant costs are costs which are not useful or rather not at all considered when a company is making a business decision. However, it doesn’t mean that such cost will remain irrelevant for a longer period of time and may become relevant if the business environment or priorities change.
Why is it important to know the importance of irrelevant costs?
The importance of irrelevant costs can be explained in different ways because, on the one hand, it is the expense for which business cannot produce any revenues. Hence, these are called irrelevant, but on the other hand, these costs can be irrelevant to one business decision which might not be irrelevant for every business decision.
Why is salary irrelevant in advertising?
Salary to the advertising campaign team is irrelevant when we are making a business decision to buy specialized equipment for the launching of a new product. However, when advertising of that same product comes as a business decision, then the salary of the advertising campaign becomes relevant. Hence the relevancy and importance change from the viewpoint of decision making.
What is non cash expense?
Non-cash Costs Non-cash expenses are those expenses recorded in the firm's income statement for the period under consideration; such costs are not paid or dealt with in cash by the firm. It involves expenses such as depreciation. read more.
What is an Irrelevant Cost?
An irrelevant cost is a cost that will not change as the result of a management decision. However, the same cost may be relevant to a different management decision. Consequently, it is important to formally define and document those costs that should be excluded from consideration when reaching a decision.
What are non-cash items?
Non-cash items, such as depreciation and amortization, are frequently categorized as irrelevant costs for most types of management decisions, since they do not impact cash flows. Sunk costs, such as the purchased cost of a fixed asset that was incurred in a prior period, are also usually considered irrelevant when making decisions on ...
Is salary irrelevant to management decision?
For example, the salary of an investor relations officer may be an irrelevant cost if a management decision relates to issuing a new product, since dealing with investors has nothing to do with that particular decision. However, if the board of directors is considering taking the company private, then it may no longer need an investor relations officer; in the latter case, this person’s salary is highly relevant to the decision. As another example, the rent for a production building is irrelevant to the decision to automate a production line, as long as the automated equipment is still housed within the same facility.
What is the difference between opportunity costs and irrelevant costs?
Opportunity costs are the revenues that a company foregoes by making one decision over another. Irrelevant costs, on the other hand, include sunk costs and unavoidable costs or fixed costs. Sunk costs include the actual costs or the expenses that the company has already incurred.
Why are relevant costs important?
Relevant costs play a crucial role when a company has several alternatives to choose from . Irrelevant costs have no bearing when selecting from different options. Irrelevant costs are not useful from the point of decision making, but they are as helpful as relevant costs due to the following reason:
What is differential cost?
It may consist of differential, avoidable, and opportunity costs. Differential cost is the cost gap or difference between the two choices. Avoidable costs are the cost that a company can avoid by making one choice over another. Opportunity costs are the revenues that a company foregoes by making one decision over another. ...
When a company faces two or more alternatives, the choice depends on the more profitable option?
When a company faces two or more alternatives, the choice depends on the more profitable option. The profitability, in turn, hinges on the revenue and cost of each option. Some costs would vary for each option, while some costs are the same. Thus, we must classify costs as relevant and irrelevant to make a better decision.
What do both costs help to determine?
Both costs also help to determine the total cost of operations.
Why is cost data important?
Cost data is vital for a business as it helps in decision making regarding maximizing profit or meeting other business objectives. But, not all costs are essential to a company when making a particular decision. Thus, to improve decision making or to make better decisions, a business needs to understand the difference between relevant cost vs.
When making a decision, must a company avoid relevant costs?
On the other hand, a company must avoid irrelevant costs when deciding as it could cause you to make the wrong choice. Also, one must not consider them in managerial analysis and calculations.
What is relevant cost?
Relevant Costs. Relevant costs are those that are directly tied to a specific management decision. These costs change in the future as a direct cause of that management decision. In other words, relevant costs are those costs that experience some change, whether negative or positive, because of a decision that management makes.
What are the two types of costs?
Two types of costs are relevant and irrelevant costs. Relevant costs are expenses directly affected by a particular management decision, while irrelevant costs are expenses not directly affected by a specific management decision.
Why is the adverting supervisor's salary relevant?
In this case, the adverting supervisor's salary would become relevant. That's because the cost of salary would be directly affected by the new sewing machines. Businesses encounter many costs, and so they classify those expenses according to the type and importance. Two types of costs are relevant and irrelevant costs.
Why is the salary that management decides to pay the advertising supervisor irrelevant?
The salary that management decides to pay the advertising supervisor would be an irrelevant cost because advertising and the cost of employing the advertising supervisor would not be directly affected by the management decision.
Do costs change as an effect of a given management decision?
They do not change as an effect of a given management decision. While one cost may not be affected by a particular decision, it is important to keep in mind that these same costs could be affected by other management decisions. Let's return to our earlier example with your doll-making business.
Is cost irrelevant for one management decision?
It is important to remember that, though a cost may irrelevant for one management decision, it may be relevant for other management decisions. To unlock this lesson you must be a Study.com Member. Create your account.
What is the difference between irrelevant and relevant costs?
The difference between relevant and irrelevant cost is based on whether the cost will have to be incurred additionally due to a new decision. Sometimes, it is difficult to clearly distinguish between the two.
Why are relevant costs and irrelevant costs required?
Both relevant costs and irrelevant costs are required to provide estimates of average cost of production or service offering of an organization or business. Both relevant cost and irrelevant cost are taken into account, while determining the total cost of operations or running a factory or business.
What is relevant cost?
A relevant cost is any cost that will be different among various alternatives. Decisions apply to future, relevant costs are the future costs rather than the historical costs. Relevant cost describes avoidable costs that are incurred to implement decisions.
What is sunk cost?
Sunk cost is a cost which is already incurred. It cannot be changed by any current or future action. For example if a new machine is purchased to replace an old machine; the cost of old machine would be sunk cost. Irrelevant costs are fixed costs, sunk costs, book values, etc.
What would happen if the cost of typewriters had been taken into consideration?
If the cost of typewriters had been taken into consideration, some of the corporations could have erred and delayed the computerization decision. Sunk costs include costs like insurance that has already been paid by the company, hence it cannot be affected by any future decision.
Why are variable costs relevant?
Usually, most variable costs are relevant as they vary depending on selected alternative. Fixed costs are thought to be irrelevant assuming that the decision does not involve doing anything that would change these fixed costs. But, a decision alternative being considered might involve a change in fixed costs, e.g. a bigger factory shade. Thus, both fixed cost and variable cost become relevant costs. In the long term, both relevant and irrelevant costs become variable costs.
How to determine which alternative is more profitable?
While evaluating two alternatives, the focus of analysis is on finding out which alternative is more profitable. The profitability is judged by considering the revenues generated by and costs incurred. Some costs may remain the same; but some costs may vary between the alternatives. Proper classification of costs between relevant and irrelevant costs is useful in such situations.
What Is Relevant Cost?
Relevant cost is a managerial accounting term that describes avoidable costs that are incurred only when making specific business decisions. The concept of relevant cost is used to eliminate unnecessary data that could complicate the decision-making process. As an example, relevant cost is used to determine whether to sell or keep a business unit.
What is the opposite of a relevant cost?
The opposite of a relevant cost is a sunk cost. Management uses relevant costs in decision-making, such as whether to close a business unit, whether to make or buy parts or labor, and whether to accept a customer's last-minute or special orders.
What is a special order?
A special order occurs when a customer places an order near the end of the month, and prior sales have already covered the fixed cost of production for the month. If a client wants a price quote for a special order, management only considers the variable costs to produce the goods, specifically material and labor costs.
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What are relevant costs?
Relevant costs, sometimes called differential costs, refer to the financial costs that result from a business decision. The cost is not a stagnant metric and varies based on a particular decision.
Why are relevant costs important?
Relevant costs are important because they promote healthy decision practices that affect your current economic standing and future financial growth. Sometimes decisions need thorough analysis before they're acted upon, and relevant costs help to answer some of those uncertain variables, such as:
Types of relevant costs
Here are four relevant costs to consider when making business and management decisions:
Examples of relevant costs
Here are four examples that represent the four previously mentioned types of relevant costs:

Understanding Irrelevant Costs
- Classifying costs as either irrelevant or relevant is useful for managers making decisions about the profitability of different alternatives. Costs that stay the same, regardless of which alternative is chosen, are irrelevant to the decision being made. Because an irrelevant cost may be a relevan…
Types of Irrelevant Costs
- Fixed overheadand sunk costs are examples of irrelevant costs that would not affect the decision to shut down a division of a company, or make a product instead of purchasing it from a supplier. For example, if a company bought a machine that broke and could not be returned, this sunk cost would be irrelevant to the decision to replace the machine or get a supplier to do the manufacturi…
Irrelevant Costs vs. Relevant Costs
- A relevant cost is any cost that will be different among various alternatives. There is seldom a “one-size fits all” situation for relevant or irrelevant costs. This is why they are often called differential costs. They differ among different alternatives. Relevant costs are affected by a managerial choice in a certain business situation. In other words, these are the costs which shal…
Types of Irrelevant Cost
Examples of Irrelevant Cost
- Rent paid for the Company’s premises
- Money spent on the purchase of new equipment.
- Advertising/Marketing campaign expenses
- Insurance paid by the Company for its employees or the company’s fixed assetsFixed AssetsFixed assets are assets that are held for the long term and are not expected to be con…
- Rent paid for the Company’s premises
- Money spent on the purchase of new equipment.
- Advertising/Marketing campaign expenses
- Insurance paid by the Company for its employees or the company’s fixed assetsFixed AssetsFixed assets are assets that are held for the long term and are not expected to be converted into cash in a...
Importance
- The importance of irrelevant costs can be explained in different ways because, on the one hand, it is the expense for which a business cannot produce revenues. Hence, these are called irrelevant, but on the other hand, these costs can be irrelevant to one business decision which might not be irrelevant for every business decision. Hence, these cost...
Advantages
- It helps in identifying the difference between relevant and irrelevant costs.
- These costs clarify the cost already incurred when any new business decision is made and plays a crucial role in maintaining the costing decision of any product/business viable.
Recommended Articles
- This has been a guide to What is Irrelevant Cost and its definition. Here we discuss its top 3 types, examples, importance, and advantages. You may learn more about financing from the following articles – 1. Committed Cost 2. Contract Costing 3. Step Cost 4. Switching Cost