The Volume of the Solid Obtained by Rotating the Plane $y = \frac { \sin ( 2 x ) } { x } , x = \frac { \pi } { 2 } ,$

Multiple Choice

The volume of the solid obtained by rotating the plane region enclosed by $y = \frac { \sin ( 2 x ) } { x } , x = \frac { \pi } { 2 } ,$ the y-axis and the x-axis about the y-axis is

A) $2 \pi$
B) $\pi$
C) 2
D) 1
E) $4 \pi$
F) $\frac { \pi } { 2 }$
G) 4
H) $\frac { 1 } { 12 }$