Find the Volume of the Indicated Region $z = 100 - x ^ { 2 } - y$

Multiple Choice

Find the volume of the indicated region.
-the solid cut from the first octant by the surface $z = 100 - x ^ { 2 } - y$

A) $\frac { 80000 } { 3 }$
B) $\frac { 200000 } { 9 }$
C) $\frac { 100000 } { 3 }$
D) $\frac { 400000 } { 9 }$