RVW (Restored Volkswagens) buys 15 used VW's at each of two car auctions each week held at different locations. It then transports the cars to repair shops it contracts with. When they are restored to RVW's specifications, RVW sells 10 each to three different used car lots. There are various costs associated with the average purchase and transportation prices from each auction to each repair shop. Also there are transportation costs between the repair shops and from the repair shops to the used car lots. RVW is concerned with minimizing its total cost given the costs in the table below. Repair Shops S1 Repair Shops si 750 550 S2 600 450 S2 50 Used Car Lots L2 350 530 Auction 1 Auction 2 - L1 si 300 S2 380 Si S2 L3 550 370 50 a. Draw a network representation for this problem b. Formulate this problem as a transshipment linear programming model. c. Solve the problem with Excel Solver (Attach the Excel Solver Solution to your report). RVW (Restored Volkswagens) buys 15 used VW's at each of two car auctions each week held at different locations. It then transports the cars to repair shops it contracts with. When they are restored to RVW's specifications, RVW sells 10 each to three different used car lots. There are various costs associated with the average purchase and transportation prices from each auction to each repair shop. Also there are transportation costs between the repair shops and from the repair shops to the used car lots. RVW is concerned with minimizing its total cost given the costs in the table below. Repair Shops S1 Repair Shops si 750 550 S2 600 450 S2 50 Used Car Lots L2 350 530 Auction 1 Auction 2 - L1 si 300 S2 380 Si S2 L3 550 370 50 a. Draw a network representation for this problem b. Formulate this problem as a transshipment linear programming model. c. Solve the problem with Excel Solver (Attach the Excel Solver Solution to your report)