In estimation of cost functions, variations in a single activity level represents the

A. related total costs

B. related fixed cost

C. related variable cost

D. related per unit cost

Answer: Option A

Solution(By Examveda Team)

In estimation of cost functions, variations in a single activity level represents the related total costs. Total cost refers to the aggregation of all types of costs related to a cost object, which means fixed costs, variable costs, and mixed costs.