2. A factory manufactures two products A and B. To manufacture one unit of A, 2.5 machine hours and 1.5 labour hours are required. To manufacture product B, 1.5 machine hours and 2.5 labour hours are required. In a month, 240 machine hours and 300 labour hours are available. Profit per unit for A is $ 40 and for B is $ 50. ONLY formulate this problem as Linear Programming Model