A Closed Cylindrical Can Has a Surface Area of 120 $\pi$

Multiple Choice

A closed cylindrical can has a surface area of 120 $\pi$ square inches.Express the volume of the can as a function of its radius,r.

A) V(r) = 60 $\pi$ r cubic inches
B) $V ( r ) = 120 \pi r ^ { 2 }$ cubic inches
C) $V ( r ) = \pi \left( 60 - r ^ { 3 } \right)$ cubic inches
D) $V ( r ) = \pi r \left( 60 - r ^ { 2 } \right)$ cubic inches