Use a Computer Algebra System to Evaluate $\iint_{s} x^{2}-4 x y d S$

Multiple Choice

Use a computer algebra system to evaluate $\iint_{s} x^{2}-4 x y d S$ where $S$ is $z=4-x^{2}-y^{2}$ , $0 \leq x \leq 2,0 \leq y \leq 2$ . Round your answer to two decimal places.

A) $- 475.02$
B) $- 496.00$
C) $- 203.00$
D) $- 971.38$
E) $- 43.75$