Problem 37: Consider four factories (F1, F2, F3, and F4) located in four different cities, producing a particular chemical. The chemical is to be transported to four different warehouses (Wh1, Wh2, Wh3, and Wh4), from where it is supplied to the customers. The transportation cost per truck load from each factory to each warehouse is determined and are given in the table below. Production and demands are also given in the table below. Wh2 Wh3 Wh4 Production Wh1 F1 4 3 4 2 4 F2 8 6 7 5 4 F3 6 4 5 3 6 F4 7 5 6 4 4 Demand 2 7 3 6 Use the LP to model this problem. Find the truck loads from each factory to each warehouse so that the transportation cost is minimized.