3. Which of the following is correct regarding a relevant range? a Total variable costs will not change. b. Total fved costs will not change. C Actual fixed costs usually fall outside the relevant range. a. The relevant range cannot be changed after being established.

(Variable cost = Total cost - Fixed cost - Net profit) you have not consider the net profit in the calculation. I think it should be added right ?

Which of the following statements regarding marginal costing is incorrect? Select one: O A. It is useful long-term planning technique OB. It assumes that fixed costs remain fixed over relevant activity ranges O C. It assumes that variable costs vary in proportion to activity O D. It assumes that costs can be classified as variable or fixed

A cost that cannot be changed because it arises from a past decision and is irrelevant to future decisions is a. An uncontrollable cost. d. An opportunity cost. b. An out-of-pocket cost. e. An incremental cost. c. A sunk cost.