please answer B and C with detail calculations

FIGURE 8.18 SENSITIVITY REPORT FOR THE QUALITY AIR CONDITIONING PROBLEM Variable Cells Model Variable E S D Name Economy Models Standard Models Deluxe Models Final Value 80.000 120.000 0.000 Reduced Cost 0.000 0.000 -24.000 Objective Coefficient 63.000 95.000 135.000 Allowable Increase 12.000 31.000 24.000 Allowable Decrease 15.500 8.000 IE+30 Constraints Constraint Number 1 2 3 Name Fan Motors Cooling Coils Manufacturing Time Final Value 200.000 320.000 2080.000 Shadow Price 31.000 32.000 0.000 Constraint R.H. Side 200.000 320.000 2400.000 Allowable Increase 80.000 80.000 IE+30 Allowable Decrease 40.000 120.000 320.000 b. Suppose the profit for the economy model is increased by S6 per unit, the profit for the standard model is decreased by $2 per unit, and the profit for the deluxe model is increased by S4 per unit. What will the new optimal solution be? c. Identify the range of feasibility for the right-hand-side values. FIGURE 8.18 SENSITIVITY REPORT FOR THE QUALITY AIR CONDITIONING PROBLEM Variable Cells Model Variable E S D Name Economy Models Standard Models Deluxe Models Final Value 80.000 120.000 0.000 Reduced Cost 0.000 0.000 -24.000 Objective Coefficient 63.000 95.000 135.000 Allowable Increase 12.000 31.000 24.000 Allowable Decrease 15.500 8.000 IE+30 Constraints Constraint Number 1 2 3 Name Fan Motors Cooling Coils Manufacturing Time Final Value 200.000 320.000 2080.000 Shadow Price 31.000 32.000 0.000 Constraint R.H. Side 200.000 320.000 2400.000 Allowable Increase 80.000 80.000 IE+30 Allowable Decrease 40.000 120.000 320.000 b. Suppose the profit for the economy model is increased by S6 per unit, the profit for the standard model is decreased by $2 per unit, and the profit for the deluxe model is increased by S4 per unit. What will the new optimal solution be? c. Identify the range of feasibility for the right-hand-side values