Find the Indicated Matrix Product or State That the Product

Find the indicated matrix product or state that the product is undefined.
- $$A = \left[ \begin{array} { l l l } 0 & 1 & 0 \\0 & 0 & 1 \\1 & 0 & 0\end{array} \right] , B = \left[ \begin{array} { r r r } - 5 & - 4 & - 7 \\- 8 & 9 & - 5 \\- 6 & - 1 & 5\end{array} \right]$$
BA

A) $\left[\begin{array}{rrr}-5 & -4 & -7 \\-8 & 9 & -5 \\-6 & -1 & 5\end{array}\right]$

B) $\left[\begin{array}{rrr}-8 & 9 & -5 \\-6 & -1 & 5 \\-5 & -4 & -7\end{array}\right]$

C) $\left[\begin{array}{rrr}0 & -4 & 0 \\0 & 0 & -5 \\-6 & 0 & 0\end{array}\right]$

D) $\left[\begin{array}{rrr}-7 & -5 & -4 \\-5 & -8 & 9 \\5 & -6 & -1\end{array}\right]$