Find out the total demand for industries 1 2 and 3 if the coefficient matrix A and final vector B ar...........

Economics-I Mathematical Methods in Economics

Find out the total demand for industries 1,2 and 3, if the coefficient matrix A and final vector B are given as.

$\small A =\begin{bmatrix} 0.3 &0.4 &0.1 \\ 0.5 &0.2 &0.6 \\ 0.1 &0.3 &0.1 \end{bmatrix}$ and $\small B = \begin{bmatrix} 20\\ 10 \\ 30 \end{bmatrix}$ (75 words) (5 Marks)