5.1 TSS Manufacturing Company, an Ohio-based automobile parts supplier, received orders from several automobile manufacturers to be delivered within a month. The orders are as follows: 600, 750, 560, and 820 units to be delivered to the assembly plants in Georgetown (Kentucky), Marysville (Ohio), Toledo (Ohio), and Warren (Michigan), respectively. TSS has three manufacturing plants in Cincinnati, Akron, and Findlay, respectively. The unit production cost is the same in all three plants. The monthly production capacities of these plants are 2000, 1000, and 1000 units, respectively. The transportation cost is $.25 per unit per mile. The transportation distance (in miles) is shown as follows:

Georgetown Marysville Toledo Warren Cincinnati 70 120 200 280 Akron 300 130 140 210 Findlay 230 70 50 120 How should TSS schedule its production and delivery in order to minimize transportation cost?