Which of the following is an example of a mixed cost? a. electricity costs of $3 per kilowatt-hour
b. salary of a factory supervisor
c. rental costs of $10,000 per month plus $0.30 per machine hour of use
d. straight-line depreciation on factory equipment

C

Explanation:

Mixed cost is a cost that consists of both fixed cost and variable cost

Fixed costs are costs that do not vary with output. e.g., rent, mortgage payments, depreciation

Variable costs are costs that vary with production

An example of variable cost is electricity costs of $3 per kilowatt-hour. If the factory is locked down, no electricity cost would be incurred.

The rental costs of $10,000 per month plus $0.30 per machine hour of use consists of both a fixed cost and a variable cost

the fixed cost is 10,000

the variable cost is  $0.30 per machine hour

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