Divide Leave Your Answer in Exponent Form $( - 3 x y ) ^ { 4 }$

Multiple Choice

Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
- $( - 3 x y ) ^ { 4 }$

A) $81 x y$
B) $- 12 x ^ { 4 } y ^ { 4 }$
C) $81 x ^ { 4 } y ^ { 4 }$
D) $- 12 x y$