:Choose the best answer for every question of the following questions

Which one of the following is a variable cost for an insurance company?

A$)$ rent

B$)$ president's salary

C$)$ sales commissions

D$)$ property taxes

Which of the following is a fixed cost for an automobile manufacturing plant?

A$)$ administrative salaries

B$)$ electricity used by assembly$-$line machines

C$)$ sales commissions

D$)$ windows for each car produced

Answer questions $3$ and $4$ using the information below:

The Singer Company manufactures several different products. Unit costs associated with

"Product $x"$ are as follows:

Direct materials $$60$

Direct manufacturing labor

$10$

Variable manufacturing overhead

Fixed manufacturing overhead

Sales commissions $(2\%$ of sales$)$

Administrative salaries ${16}_{?}$

Total $$

What are the variable costs per unit associated with Product $x?$

A$)$ $$18$

B$)$ $$22$

C$)$ $$88$

D$)$ $$92$

What are the fixed costs per unit associated with Product $x?$

A$)$ $$102$

B$)$ $$48$

C$)$ $$52$

D$)$ $$32$