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In economics and business decision-making, a sunk cost (also known as retrospective cost) is a cost that has already been incurred and cannot be recovered. [ 1 ] [ 2 ] Sunk costs are contrasted with prospective costs , which are future costs that may be avoided if action is taken. [ 3 ]
When some costs are sunk and some are not sunk, total fixed costs (TFC) equal sunk fixed costs (SFC) plus non-sunk fixed costs (NSFC) or TFC = SFC + NSFC. When some fixed costs are non-sunk, the shutdown rule must be modified. To illustrate the new rule it is necessary to define a new cost curve, the average non-sunk cost curve, or ANSC.
The importance of being able to quickly calculate MR is that the profit-maximizing condition for firms regardless of market structure is to produce where marginal revenue equals marginal cost (MC). To derive MC the first derivative of the total cost function is taken. For example, assume cost, C, equals 420 + 60Q + Q 2. then MC = 60 + 2Q. [11]
Alamy There are some economic terms most of us know and understand, such as supply and demand. And there are other terms we will probably never even run across, like implicit logrolling and a ...
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It is often important for businesses to distinguish between relevant and irrelevant costs when analyzing alternatives because erroneously considering irrelevant costs can lead to unsound business decisions. [1] Also, ignoring irrelevant data in analysis can save time and effort. Types of irrelevant costs are: [3] Sunk costs [4] Committed costs
Fixed, incremental, and sunk costs; Replacement studies; Minimum cost formulas; Various economic studies in relation to both public and private ventures; Each of the previous components of engineering economics is critical at certain junctures, depending on the situation, scale, and objective of the project at hand.
From the traceability source of costs, sunk costs can be direct costs or indirect costs. If the sunk cost can be summarized as a single component, it is a direct cost; if it is caused by several products or departments, it is an indirect cost. Analyzing from the composition of costs, sunk costs can be either fixed costs or variable costs.