What is the result of I2×(5678)I_2 \times \begin{pmatrix} 5 & 6 \\ 7 & 8 \end{pmatrix}I2×(5768)?
(0000)\begin{pmatrix} 0 & 0 \\ 0 & 0 \end{pmatrix}(0000)
(5678)\begin{pmatrix} 5 & 6 \\ 7 & 8 \end{pmatrix}(5768)
(1001)\begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}(1001)
(6587)\begin{pmatrix} 6 & 5 \\ 8 & 7 \end{pmatrix}(6857)