Solve the Problem $C ( x )$ , and the Revenue Function

Multiple Choice

Solve the problem.
-Given the cost function, $C ( x )$ , and the revenue function, $R ( x )$ , find the dollar amount coming in and going out at the break-even point. Round to the nearest dollar if necessary.
$$\begin{array} { l } C ( x ) = 1.7 x + 700 \\R ( x ) = 2.7 x\end{array}$$

A) $\$ 700$
B) $\$ 1890$
C) $\$ 266$
D) $\$ 430$