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

$Q = - 0.002 L ^ { 3 } + 0.16 L ^ { 2 }$
-At 60 units of labor, what is average product?

A) 9.4
B) 8.6
C) 3.7
D) 2.4
E) 6.4