20 -1 1 -[29], 8 - [ 1 ], and C - [54]. -1 7 B = 26 03 Compute each of the following expressions for A = (a) (AB)2 (b) A-3B2 (c) AB + 2C3 (d) 242-2A+ 312 -16 Consider the economies consisting of two industries. Determine the output levels required of each industry in each situation to meet the demands of the other industries and of the open sector. (Let X1, X2, and X3 represent the output levels for each demand matrix D from left to right respectively.) X1 = X2 = 3 = 0.10 0.40 12 A = 0.20 30 12 1], D = [32], [22], and [36] 24 in turn 30 1 1 Consider the economies consisting three industries. Determine the output levels required of each industry in each situation to meet the demands of the other industries and of the open sector. (Let X1, X2, X3, and X represent the output levels for each demand matrix D from left to right respectively.) 0.20 0.20 0 72 72 72 A = 0.40 0.40 0.60 0.40 0.10 0.40 D = 36 and 0 54 in turn 72 54 0 54 21 6 86 1 X1 61 2 X3 = 1 14 4 39 6 36 0 t 4