# Identifying Fixed, Variable, Mixed, and Step Costs Consider each of the following independent situations: a. A computer service agreement in which a company pays \$150 per month and \$15 per hour of technical time b. Fuel cost of the company’s fleet of motor vehicles c. The cost of beer for a bar d. The cost of computer printers and copiers at your college e. Rent for a dental office f. The salary of a receptionist in a law firm g. The wages of counter help in a fast-food restaurant h. The salaries of dental hygienists in a three-dentist office. One hygienist can take care of 120 cleanings per month. i. Electricity cost which includes a \$15 per month billing charge and an additional amount depending on the number of kilowatt-hours used Required: 1. For each situation, describe the cost as one of the following: fixed cost, variable cost, mixed cost, or step cost. ( Hint: First, consider what the driver or output measure is. If additional assumptions are necessary to support your cost type decision, be sure to write them down.) Example : Raw materials used in production—Variable cost 2. CONCEPTUAL CONNECTION Change your assumption(s) for each situation so that the cost type changes to a different cost type. List the new cost type and the changed assumption(s) that gave rise to it. Example: Raw materials used in production. Changed assumption—the materials are difficult to obtain, and a year’s worth must be contracted for in advance. Now, this is a fixed cost. (This is the case with diamond sales by DeBeers Inc. to its sightholders. See the following website for information: www.keyguide.net/sightholders/.)

### Managerial Accounting: The Corners...

7th Edition
Maryanne M. Mowen + 2 others
Publisher: Cengage Learning
ISBN: 9781337115773

### Managerial Accounting: The Corners...

7th Edition
Maryanne M. Mowen + 2 others
Publisher: Cengage Learning
ISBN: 9781337115773

#### Solutions

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Chapter 3, Problem 57P
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