matrix

an input-output matrix for a three-sector economy/ A simple economy consists of three sectors: agriculture (A), Manufacturing (M), and transportation (T). The input-output matrix for this economy is given by:
A M T
A [0.4 0.1 0.1]
M [0.1 0.4 0.3]
T [0.2 0.2 0.2]
a. Determine the amount of agricultural products consumed in the production of $100 million worth of manufactured goods