Question-2 Arnoff Enterprises manufactures the central processing unit (CPU) for a line of personal computers. The CPUs are manufactured in Seattle, Columbus, and New York and shipped to warehouses in Pittsburgh, Mobile, Denver, Los Angeles, and Washington, D.C., for further distribution. The following table shows the number of CPUs available at each plant, the number of CPUs required by each warehouse, and the shipping costs (dollars per unit): Warehouse Pittsburgh 10 2 Denver 5 Washington 10 Mobile 20 10 20 Plant Seattle Columbus New York CPUs Required Angeles 9 30 10 CPUs Available 9000 4000 8000 8 6 7 4 3000 5000 4000 6000 3000 a) Develop a network representation of this problem. b) Develop linear programming model for this network