Solve the Problem $32 \mathrm { ft } ^ { 3 }$

Multiple Choice

Solve the problem.
-A rectangular box with square base and no top is to have a volume of $32 \mathrm { ft } ^ { 3 }$ . What is the least amount of material required?

A) $42 \mathrm { ft } ^ { 2 }$
B) $36 \mathrm { ft } ^ { 2 }$
C) $40 \mathrm { ft } ^ { 2 }$
D) $48 \mathrm { ft } ^ { 2 }$