Let $( I - A ) ^ { - 1 } = \left[ \begin{array} { c c c } 1.5 & 0.1 & 0 \\0.2 & 1.2 & 0.2 \\0.1 & 0.7 & 1.6\end{array} \right]$

Essay

Let $( I - A ) ^ { - 1 } = \left[ \begin{array} { c c c } 1.5 & 0.1 & 0 \\0.2 & 1.2 & 0.2 \\0.1 & 0.7 & 1.6\end{array} \right]$ and assume that the external demand for the products in Sector 1 increases by 1 unit. By how many units should each sector increase production
?
Express the answer as a column matrix.