행렬 $\begin{pmatrix*}[r] 3 & 1 & 0 & 0 & 0 \\ 1 & 2 & 0 & 0 & 0 \\ 0 & 0 & 1 & 1 & 0 \\ 0 & 0 & 1 & 3 & 1 \\ 0 & 0 & 2 & 0 & 2 \end{pmatrix*}$ 의 행렬식은?

• ①$24$
• ②$26$
• ③$28$
• ④$30$