$$\left[ \begin{array} { l l }
3 & 2 \\
1 & 0
\end{array} \right] \cdot \mathrm { A } = \left[ \begin{array} { c c }
- 2 & 4 \\
1 & 5
\end{array} \right]$$
What is the determinant of matrix A that satisfies this equation?\\
A) 4\\
B) 5\\
C) 6\\
D) 7\\
E) 8