已知矩阵$A=\left(\begin{array}{c}2\\ 4\end{array}\begin{array}{c}1\\ \\ 3\end{array}\right),B=\left(\begin{array}{c}1\\ 0\end{array}\begin{array}{c}1\\ \\ -1\end{array}\right)$（Ⅰ）求$A$的逆矩阵$A^{-1}$；
（Ⅱ）求矩阵$C$，使得$AC=B$.