Solve the Problem $C ( x )$ To Produce $x$ Units of Plywood Is Given By

Multiple Choice

Solve the problem.
-If the average cost per unit $C ( x )$ to produce $x$ units of plywood is given by $C ( x ) = \frac { 600 } { x + 20 }$ , what is the cost per unit if 10 units of plywood are produced?

A) $\$ 40.00$
B) $\$ 3.00$
C) $\$ 20.00$
D) $\$ 60.00$