Problem 19-6 (Static) Use Excel Solver to obtain the optimal values of the decisions variables and the objective function for part a and part b. a. Maximize Subject to 4x1 + 2x2 + 53 1x1 + 2x2 + 1x3 25 1x1 + 4x2 + 2x3 40 3x1 + 32 + 1x3 30 X1, X2, X3 0 Decision Variables 1 X2 X3 Objective function value z = Optimal Values b. Maximize Subject to 10x1 + 6x2 + 33 1x1 + 1x2 + 2x3 25 2x1 + 1x2 + 4x3 40 1x1 + 2x2 + 3x3 40 x1, x2, x3 = 0 Decision Variables X1 X2 X3 Objective function value z = Optimal Values