A company imports goods at two ports: Philadelphia and New Orleans. Shipments of one product are made to customers in Atlanta, Dallas, Columbus, and Boston. For the next planning period, the supplies at each port, customer demands, and shipping costs per case from each port to each customer are follows:
CUSTOMERS
PORT ATLANTA DALLAS COLUMBUS BOSTON Port Suply
Philadelp. 2 6 6 2 5000
New Orlea. 1 2 5 7 3000
DEMAND 1400 3200 2000 1400
Develop a network representation of the distribution system (transportation problem).