From the costs reported below, identify all costs that are variable in relation to how many units are produced (or sold).

Question 5 options:

	Cost of cheese used at a pizza restaurant.
	Rearview mirrors used at a car manufacturing plant.
	Shipping costs to ship cars from the manufacturing plant to dealerships.
	Monthly rent on the production factory.
	Salary expense for accountant.
	Depreciation on the sales building at a car dealership.
	Salespersons commissions at a car dealership.
	Advertising in local newspaper.