An engineering company produces three products A, B and C using three machines M1, M2 and M3. The prots eamed by the products A, B and C are RM2, RM5 and RMB per unit respectively. A simplex optimal solution to maximize the profit is given below where X1, X2 and X3 are quantities of products A, B and C produced by the company. S1, 82 and 83 represent the slack in the resources M1, M2 and M3. The following is the simplex tableau for the problem. 18116 481123 1f12 2f3 4:13 11:3 iv. Find the maximum prot for the above model. (2 marks) State the optimal solution for the above problem. (2 marks) Explain whether the optimal solution unique or not. (1 mark) Which resource(s)- isfare not fully utilized? State the value. (2 marks) If the company wishes to raise production, which of the three resources should be given priority for enhancement? State your reason- {2 marks)