Given the Cost Function, C(x), and the Revenue Function, R(x) $\begin{array} { l } C ( x ) = 51 x + 2200 \\R ( x ) = 71 x\end{array}$

Multiple Choice

Given the cost function, C(x) , and the revenue function, R(x) , find the number of units x that must be sold to break even.
- $\begin{array} { l } C ( x ) = 51 x + 2200 \\R ( x ) = 71 x\end{array}$

A) 112 units
B) 110 units
C) 25 units
D) 111 units