If the Average Cost Per Unit C(x) to Produce X $C ( x ) = \frac { 900 } { x + 30 }$

Multiple Choice

If the average cost per unit C(x) to produce x units of plywood is given by C(x) $C ( x ) = \frac { 900 } { x + 30 }$ , what is the unit cost for 20 units?

A) $15.00
B) $45.00
C) $18.00
D) $1.50