Identify Cost Graphs

The following cost graphs illustrate various types of cost behavior:

Cost Graph One

Cost Graph Three

Cost Graph Two

Cost Graph Four

For each of the following costs, select the cost graph that best illustrates its cost behavior as the number of units produced increases.

a$.$ Direct material cost per unit.

$\backslash (\backslash$mathbf$\{$x$\}\backslash )$

b$.$ Fees for using a patent of $\backslash (\backslash$$ $250,000\backslash )$ plus $\backslash (\backslash$$ $0\mathrm{.}10\backslash )$ for each unit produced.

X

c$.$ Salary of quality control supervisor.

$\backslash (\backslash$mathbf$\{$X$\}\backslash )$

d$.$ Straight$-$line depreciation per unit on factory equipment.

e$.$ Total direct materials cost.