URGENT HELP PLEASE

Question 27 (5 points) Variable cells Final Reduced Objective Allowable Allowable Value Cost Coefficient Increase Decrease Cell Name $B$6 Activity 1 0 425 500 1E+30 425 $C$6 Activity 2 27.5 0.0 300 500 300 $D$6 Activity 3 0 250 400 1E+30 250 Constraints Final Shadow Constraint Allowable Allowable Value Price R.H. Side Increase Decrease Cell Name $E$2 Benefit A 110 0 60 50 1E+30 $E$3 Benefit B 110 75 110 1E+30 46 $E$4 Benefit C 137.5 0 80 57.5 1E+30 If the coefficient for Activity 2 in the objective function changes to $400, then the objective function value: A) will increase by $100. B) will increase by $7,500. OC) will remain the same. D) will increase by $2,750. Question 28 (5 points) Variable cells Final Reduced Objective Allowable Allowable Value Cost Coefficient Increase Decrease Cell Name $B$6 Activity 1 O 425 500 1E+30 425 $C$6 Activity 2 27.5 0.0 300 500 300 $D$6 Activity 3 o 250 400 1E+30 250 Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease $E$2 Benefit A 110 O 60 50 $E$3 Benefit B 110 75 110 1E+30 $E$4 Benefit C 137.5 0 80 57.5 If the right-hand side of Resource C changes to 130, then: OA) the shadow price is not valid. OB) None of the choices is correct. OC) the shadow price is valid. D) the problem must be resolved to find the optimal solution. 1E+30 46 1E+30 Question 29 (5 points) Variable cells Cell Name $B$6 Activity 1 Final Reduced Objective Allowable Allowable Value Cost Coefficient Increase Decrease O 425 500 1E+30 425 $C$6 Activity 2 27.5 0.0 300 500 300 $D$6 Activity 3 0 250 400 1E+30 250 Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease $E$2 Benefit A 110 0 60 50 1E+30 $E$3 Benefit B 110 75 110 1E+30 46 $E$4 Benefit C 137.5 0 80 57.5 1E+30 What is the optimal objective function value for this problem? A) It cannot be determined from the given information. B) 500 OC) 8,250 OD) 1,200