EXAMPLE 2.6-7 (Product Mix Problem) A firm manufactures three products A, B and C. Time to manufacture product A is twice that for B and thrice that for C and if the entire labour is engaged in making product A, 1,600 units of this product can be produced. These products are to be produced in the ratio 3 : 4:5. There is demand for at least 300, 250 and 200 units of products A, B and C and the profit earned per unit is 90, 40 and 30 respectively. Formulate the problem as a linear programming problem. f5 TABLE 2.5 Raw material Requirement per unit of product (kg) A B 6 5 2 + 7 3 Total availability (kg) 5,000 6,000 P 0