Classify the total costs of each of the following as variable, fixed, mixed, or step. Sales volume is the cost driver.

Salaries of quality inspectors when each inspector can evaluate a maximum of 500 units per day	Answer 1Choose...VariableMixedFixedStep
Annual salary for the vice president of manufacturing	Answer 2Choose...VariableMixedFixedStep
Keyboards purchased from a subcontract supplier in a computer assembly plant	Answer 3Choose...VariableMixedFixedStep
Electric power in a factory	Answer 4Choose...VariableMixedFixedStep
Salary of machine operator who is paid based on number of units produced on the machine	Answer 5Choose...VariableMixedFixedStep
Property taxes	Answer 6Choose...VariableMixedFixedStep
Overhead costs in the factory for incidental components such as small screws and rivets.	Answer 7Choose...VariableMixedFixedStep
Raw materials used in production	Answer 8Choose...VariableMixedFixedStep
Water consumed by the plant, which is based on a flat fee plus actual consumption	Answer 9Choose...VariableMixedFixedStep
Fire insurance on factory building	Answer 10Choose...VariableMixedFixedStep