A Short-Run Production Function Was Estimated As $Q = - 0.002 L ^ { 3 } + 0.16 L ^ { 2 }$

Multiple Choice

A short-run production function was estimated as $Q = - 0.002 L ^ { 3 } + 0.16 L ^ { 2 }$ At 20 units of labor,what is total product?

A) 48
B) 96
C) 20
D) 62
E) 41