Solve the Problem $A = \left[ \begin{array} { r r } - 2 & 3 \\ 3 & 2 \end{array} \right]$

Multiple Choice

Solve the problem.
-Let $A = \left[ \begin{array} { r r } - 2 & 3 \\ 3 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { c c } - 2 & 0 \\ - 1 & 4 \end{array} \right]$ . Find $A B$ .

A) $\left[ \begin{array} { r r } 12 & 1 \\ 8 & - 8 \end{array} \right]$
B) $\left[ \begin{array} { r r } 4 & - 6 \\ - 4 & 5 \end{array} \right]$
C) $\left[ \begin{array} { r r } 4 & 0 \\ - 3 & 8 \end{array} \right]$
D) $\left[ \begin{array} { r r } 1 & 12 \\ - 8 & 8 \end{array} \right]$