You are given the following matrice: 4 1 3 0 1 2 1 A = B= C= 1 1 0 1 1 0 2 Please answer the following questions, (a) through (g): (a) Compute A B. (b) How many multiplications did it take to compute the product A B in part (a)? (c) Compute (A B) C. (d) Altogether, how many multiplications did it take to compute (A B) C? (e) Compute B.C. (f) Compute A (B C). (g) Altogether, how many multiplications did it take to compute A (B C)