If a type of production cost for a firm can't be changed in the short run and can't be changed by changing the amount of output, it should be a fixed cost.
So, the correct option is D.
Only variable expenses and revenues have an influence on short-term production costs; fixed costs have no bearing on them. Production and variable costs are cyclical. Overhead expenses, period costs, and supplemental costs are further names for fixed costs. Prime costs and direct costs are other names for variable expenses, which have a direct impact on production levels. Nature. Fixed expenses are time-related, meaning they are constant over an extended period of time.
The amount of output has little impact on fixed expenses. Within the appropriate range, total fixed costs stay constant. Nevertheless, when output rises, the fixed cost per unit falls since the same fixed expenses are distributed across a greater number of units. One of the elements of the overall cost of the company or business is the fixed cost.
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