The Triple Integral $\iiint$ _{E $y d V$} Where E Is the Solid Bounded by the Plane

Multiple Choice

The triple integral $\iiint$ _{E $y d V$} where E is the solid bounded by the plane $12 x + 20 y + 15 z = 60$ and the coordinate planes is

A) $\frac { 10 } { 3 }$
B) $\frac { 1 } { 10 }$
C) $\frac { 13 } { 2 }$
D) $\frac { 7 } { 2 }$
E) $\frac { 15 } { 2 }$