Chapter 6 - Case Problem 4 Auto Restoration (AR) buys 15 med automobiles at each of two car action cacly week held at different locations. It then transports the cars to repair shops it contracts with. When they are restored to AR'S specifications, AR sells to each to three different used car lots. There are various costs associated with the average purchase and transportation prices from cach auction to cach repair shop. Also there are transportation costs from the repair shops to the used car lots. AR is concerned with minimizing its total cost piven the costs in the table below. Given the costs below, draw a network representation for this problem Repair Shops Used Carlos SI S2 LI 12 Auction 1 550 500 SI 250 300 Auction 2 600 450 S2 650 L3 500 450 350 b. Formulate this problem as a transshipment linear programming model