Fant 5) Answer the following questions using the sensitivity report shown below (13 min) d) Interpret the reduced cost of -6.5 for the variable "z". (4 marks) e) If the coefficient of x changes to 8 and the coefficient of y changes to 4 simultaneously, will the optimal solution remain optimal? Explain (6 marks) 9 2 5 Variable Cells f) Will the objective function be Final Reduced Objective Allowable Allowable improved by increasing the amount of Cell Name Value Cost Coefficient Increase Decrease steel beyond its original availability? Type Ax 0 3 6 If yes, by how much? Type By 3 0 5 Type Cz 0 -6.5 6.5 1E+30 If no, why not? (5 marks) Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease Wood 1 25 1 25 10 Steel 30 16+30 hours 3 55 55 1.5 72 55 20 2 30 40 0 Notes