Determine the Order of the Matrix $\left[ \begin{array} { r r } 2 & - 4 \\ 6 & 0 \\ - 6 & 8 \\ 4 & - 2 \end{array} \right]$

Multiple Choice

Determine the order of the matrix.
- $\left[ \begin{array} { r r } 2 & - 4 \\ 6 & 0 \\ - 6 & 8 \\ 4 & - 2 \end{array} \right]$

A) $2 \times 4$
B) 8
C) 2
D) $4 \times 2$