Refer to the Following:
a Short-Run Production Function Was Estimated $Q = - 0.002 L ^ { 3 } + 0.16 L ^ { 2 }$

Multiple Choice

Refer to the following:
A short-run production function was estimated as

$Q = - 0.002 L ^ { 3 } + 0.16 L ^ { 2 }$
-What is average product when it is at its maximum level?

A) 3.20
B) 8.75
C) 6.92
D) 6.00
E) 9.40