Chapter 11, Problem 11.2E

Identify cost graphs

The following cost graphs illustrate various types of cost behavior:

For each of the following costs, identify the cost graph that best illustrates its cost behavior as the number of units produced increases.
a. Direct material cost per unit.
b. Fees for using a patent of $500,000 plus $0.25 for each unit produced.
c. Salary of quality control supervisor.
d. Straight-line depreciation per unit on factory equipment.
e. Total direct materials cost.