The Better Buy Corp supplies its four retail outlets from its four plants. The shipping cost per shipment from each plant to each retail outlet is given below:
United Shipping Cost
Palms Springs Carlsbad Los Angeles San Diego
Pomona 500 600 400 200
Fresno 200 900 100 300
Lancaster 300 400 200 100
Corona 200 100 300 200
Plants in Pomona, Fresno, Lancaster, and Corona, make 200, 300, 150, and 250 units per month, respectively. Retail outlets in Palm Springs, Carlsbad, Los Angeles, and San Diego, need to receive 200, 100, 100, and 200 units. The distribution manager wants to determine the best plan for how many units to ship from each plant to each retail outlet. What is the minimum cost the plant could incur?