2.

All of the following would be classified as overhead costs except:

		a. insurance on factory machinery.
		b. salaries of production supervisors.
		c. wages of assembly-line workers.
		d. property taxes on production equipment.

14.

When applied to budgeting, the letter 'x' in the cost equation y = mx + b represents:

		a. the variable cost per unit.
		b. total cost.
		c. fixed cost.
		d. volume.