Find the Product AB, If Possible A) $\left[ \begin{array} { r r } 1 & 9 \\ - 8 & 6 \end{array} \right]$

Multiple Choice

Find the product AB, if possible.
- $\mathrm { A } = \left[ \begin{array} { r r } - 2 & 3 \\ 3 & 2 \end{array} \right] , \mathrm { B } = \left[ \begin{array} { l l } - 2 & 0 \\ - 1 & 3 \end{array} \right]$

A)
$\left[ \begin{array} { r r } 1 & 9 \\ - 8 & 6 \end{array} \right]$
B)
$\left[ \begin{array} { r r } 4 & 0 \\ - 3 & 6 \end{array} \right]$
C)
$\left[\begin{array}{rr}4 & -6 \\-4 & 3\end{array}\right]$
D)
$\left[ \begin{array} { r r } 9 & 1 \\ 6 & - 8 \end{array} \right]$