The cost $()$

C

$($

x

$)$

of producing $$

x

units of a given machine is:

$()=20100140+0\mathrm{.}12$

C

$($

x

$)$

$=$

$20100$

$$

$140$

x

$+$

$0\mathrm{.}1$

x

$2$

$($a$)$ What is the average cost of producing $100$ machines?

Answer: Answer for part $1$

$($b$)$ What is the marginal cost of when $100$ machines are produced?

Answer: Answer for part $2$

$($c$)$ What is the cost of producing one more machine after the first $100$ machines were made?

Answer: