Question $27(1$ point$)$

Contribution margin is calculated by deducting:

controllable fixed costs from revenue.

variable costs from revenue.

variable costs and controllable fixed costs from revenue.

variable costs and common costs from revenue.

Question $28(1$ point$)$

Why are physical inventory counts made when a perpetual inventory system is used?

a$.$ Same as last year principle requires it

b$.$ It verifies inventory numbers recorded

c$.$ SEC recommends it

d$.$ CFO typically has doubts about the purchasing department