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 from the repair shops to the used car lots. RVW is concerned with minimizing its total cost given the costs in the table below. a. Given the costs below, draw a network representation for this problem.                       Repair Shops                     Used Car Lots                            S1    S2                             L1        L2           L3 Auction 1           460   520                 S1    250      300         500 Auction 2           450   500                 S2    300      550         450 b. Formulate this problem as a transshipment linear programming model (Don’t solve).

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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 from the repair shops to the used car lots. RVW is concerned with minimizing its total cost given the costs in the table below.

a. Given the costs below, draw a network representation for this problem.

                      Repair Shops                     Used Car Lots

                           S1    S2                             L1        L2           L3

Auction 1           460   520                 S1    250      300         500

Auction 2           450   500                 S2    300      550         450

b. Formulate this problem as a transshipment linear programming model (Don’t solve).

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