1. Television sets are shipped from three distribution locations to five commercial centers. The shipping cost is based on the mileage between the sources and the destinations. The table below summarizes the mileage between the distribution locations and the commer cial centers together with the monthly supply and demand figures given in number of TV sets. The transportation cost per TV set per mile is $0.10. Center 1 Center 2 Center 3 Demand 1 2 3 4 5 Supply 40 90 100 150 130 150 100 150 200 14035250 50 70 60 65 80 300 150 180 150 120 100 14 (a) Use the northwest corner method to find a starting solution 18] (b) Formulate the associated transportation model. Do not solve