Objective functionZ = 5X1 + 4X2 (Maximize)Subject to0 ≤ X1 ≤ 120 ≤ X2 ≤ 93X1 + 6X2 ≤ 66X1, X1 ≥ 0What is the optimum value?

• A. 6, 9
• B. 12, 5
• C. 4, 10
• D. 0, 9