RVW (Restored Volkswagens) buys 15 used vw's at each of twe car auctions each week held at different locations. It then transports the cars to repair shops it contracts with, When they are restored to KVw 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. Repair Shops Used Car Lots L1 L2 L3 51 $2 300 500 Auction 1 Auction 2 550 500 51 250 350 650 450 600 450 52 a) (13 pts) Draw a network representation for this problem. b) (1 pt) What type of network linear programming model applies? (i.e., What type of network model is this?) c) (1 pt) From the 'Balance of Flow" Rules, which rule applies to this problem?