Which of the following is NOT a key assumption of cost-volume-profit? Solution Costs may be fixed, variable, mixed or step. .

1. Which of the following is NOT a key assumption of cost-volume-profit?
Costs may be fixed, variable, mixed or step.
Changes in total cost are strictly due to changes in activity.
Total costs and revenues can be depicted with a straight line.
Production and sales are equal.
Solution
Costs may be fixed, variable, mixed or step.