Which of the following is an example of a cost that is variable with respect to the number of units produced?

Question 7 options:

A)	Salaries of top marketing executives.

B)	Rent on the administrative office building.

C)	Direct labor cost, where the direct labor workforce is adjusted to the actual production of the period.

D)	Rent on the factory building.

The ________ is the amount remaining from sales revenue after all variable expenses have been deducted.

Question 8 options:

A)	cost structure

B)	contribution margin

C)	gross margin

D)	committed fixed cost

Ricwy Corporation uses the cost formula Y = $4,800 + $0.40X for the maintenance cost, where X is machine-hours. The August budget is based on 9,000 hours of planned machine time. Maintenance cost expected to be incurred during August is:

Question 9 options:

A)

$8,400

B)

$4,800

C)

$1,200

D)

$3,600