The optimal value of x1 = The optimal value of x2 = The optimal value of x3 = The optimal value of x4 = The minimum total cost (TC) of this problem = Production Activity Amount Produced Per Unit Profit X1 X2 X3 X4 Minimum TC -20 20 -20 10 Constraints Constraint 1 Constraint 2 aj Produced Need to Produce Slack 1 2 -1 in -50 -1 1 -1 5 Variable Cells Final Reduced Objective Allowable Allowable Cell Name Value Cost Coefficient Increase Decrease $C$4 Amount Produced x1 ??? 10 -20 1E+30 10 $D$4 Amount Produced x2 $E$4 Amount Produced x3 $F$4 Amount Produced x4 ??? 20 1E+30 10 ??? 30 -20 1E+30 30 ??? 10 1E+30 10 Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease $G$8 Constraint 1 Produced $G$9 Constraint 2 Produced ??? -10 -50 55 1E+30 ??? 30 1E+30