Compute AB, If Possible $A = \left[ \begin{array} { r r } 0 & - 1 \\ 5 & 2 \end{array} \right]$

Multiple Choice

Compute AB, if possible.
- $A = \left[ \begin{array} { r r } 0 & - 1 \\ 5 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { l l } - 2 & 0 \\ - 1 & 1 \end{array} \right]$

A) $\left[ \begin{array} { r r } - 1 & 1 \\ - 8 & - 12 \end{array} \right]$
B) $\left[ \begin{array} { r r } 1 & - 1 \\ - 12 & 2 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 10 & - 4 \\ 5 & 3 \end{array} \right]$
D) $\left[ \begin{array} { r r } 0 & 2 \\ - 5 & 2 \end{array} \right]$