=
A)1,400
B)1,600
C)1,800
D)1,200

Multiple Choice

$$\text { If } C ( x ) = 7 x + 1,000 \text { and } A ( x ) = \frac { C ( x ) } { x } , \mathrm { R } ( \mathrm { x } ) = \$ 20 \mathrm { x } , \text { and } \mathrm { P } ( \mathrm { x } ) = \mathrm { R } ( \mathrm { x } ) - \mathrm { C } ( \mathrm { x } ) \text {, then if } \mathrm { x } = 200 , \mathrm { P } ( \mathrm { x } )$$ =

A) 1,400
B) 1,600
C) 1,800
D) 1,200