The following graphs relate to the behavior of certain costs involved in the operation o...

The following graphs relate to the behavior of certain costs involved in the operation of a mechanical arts course offered by a local corporation in a program of adult education.

Required:

a. Title each graph to show the type of cost it describes (fixed, variable, semivariable, etc.).

b. From the list of costs on the next page select those that each graph describes:

Costs

1. Cost of raw materials used by students.

2. Depreciation of machinery and equipment used.

3. Cost of blueprints and manuals. Extra copies must be acquired for every 6 students who enroll over the minimum number of 24.

4. Utilities and maintenance. Utilities remain constant each month, but maintenance tends to vary with the usage of machinery and equipment.