2. A company produces four kinds of dolls A, B, C and D. The monthly supply is 70 units, 40 units, 90 units and 30 units respectively. The dolls are sold through four stores P, Q, R and S. The monthly demands at these stores are 40 units, 50 units, 60 units and 60 units. Profit per unit of dolls sold at each of the stores is given below: P Q Dolls AB 95 80 70 75 65 C 70 45 D 60 40 RRF 60 60 50 50 40 S630 40 30 Suggest optimum policy schedule. [Ans. Max. Profit = 13,000]