Three suppliers (S1, S2, S3) are used to provide four customers (T1, T2, T3, T4) with their requirements for a particular commodity over a year. The yearly capacities of the suppliers and requirements of the customers are given below (in suitable units) Suppliers Capacities (per year) S S2 S3 135 56 93 Customers T T2 T3 T4 Requirements (per year) 62 83 39 91 The unit costs for supplying each customer from each supplier are given in Table 5.3 (in pounds per unit). Table 5.3 Supplier T 1 T2 S 1 132 - T3 T4 S2 85 91 97 103 S3 Customer 106 89 100 98 "A dash indicates the impossibility of certain suppliers for certain depots or customers. Formulate this problem as a LP in which the objective is to minimize the total cost? What is the name of this