Each of the following is a variable cost except

A) raw material costs.
B) hourly wages.
C) rent.
D) advertising costs.

Variable Cost

Expenses that change in proportion to the activity or production level of a business; for example, costs for raw materials that increase as more goods are produced.

Rent

A payment made periodically by a tenant to a landlord in exchange for the use of land, a building, or another property.