Solve the Problem $\mathrm { C } ( \mathrm { x } ) = 30 \mathrm { x } + 15,000$

Multiple Choice

Solve the problem.
-A company that produces radios has costs given by the function $\mathrm { C } ( \mathrm { x } ) = 30 \mathrm { x } + 15,000$ , where $x$ is the number of radios manufactured and $C ( x )$ is measured in dollars. The average cost to manufacture each radio is given by $\bar { C } ( \mathrm { x } ) = \frac { 30 \mathrm { x } + 15,000 } { \mathrm { x } }$ . Find $\bar { C } ( 250 )$ . (Round to the nearest dollar, if necessary.)

A) $\$ 33$
B) $\$ 120$
C) $\$ 90$
D) $\$ 36$