Stage of

Production

Seller

$1$

Steel mill

$2$

Auto manufacturer

$3$

Auto dealer

Buyer

Auto manufacturer

Auto dealer

Consumer

Price

$$10\mathrm{.}000$

$18,000$

$25\mathrm{.}000$

Consider the table above showing three stages of production of an automobile.

The value added by the automobile dealer equals

$$18,000$

$$15,000$

$$7,000$

$$25,000$