Find the Value of the Determinant $\left| \begin{array} { l l } 4 & - 3 \\ 0 & 1 \end{array} \right|$

Multiple Choice

Find the value of the determinant.
- $\left| \begin{array} { l l } 4 & - 3 \\ 0 & 1 \end{array} \right|$

A) $- 12$
B) 7
C) 4
D) $- 4$