Use a Change of Variables to Find the Volume of the Solid

Multiple Choice

Use a change of variables to find the volume of the solid region lying below the surface $z = 27 x y$ and above the plane region $R$ : region bounded by the square with vertices $( 0,0 ) , ( - 2,2 ) , ( 0,4 ) , ( 2,2 )$

A) 432
B) 72
C) 36
D) 0
E) 108