PLEASE DO NOT USE Al PLEASE GIVE EXPLANATION if ai is used i will report the account OPTIMIZATION: 5. The following tableau is an optimal LP tableau where x,, x5, x, were the original slack variables. Show your work for all the questions below. Basic X, X, X3 Xy Xg x, RHS z 0 19 0 0 0 2 12 X, 1 -9 0 1 0 -1 5 Xg 0 -65 0 a 1 -7 24 X3 0 19 1 -1 0 2 1 a. Use matrix multiplications to reconstruct the original LP and then compute the optimum objective value. b. Suppose the constraint x; + 10x; + x3