5-14 The Southern Rail Company ships coal by rail from three coal mines to meet the demand requirements of four coal depots. The following table shows the distances from the mines

to the various depots and the availabilities and requirements for coal. Determine the best shipment of coal cars to minimize the total miles traveled by the cars. Table for Problem 5-14 From Parris Butler Century Demand for cars To Columbia Albany Springfield Pleasatanburg Supply of Cars 50 20 100 30 30 80 40 45 60 10 80 25 70 90 30 20 35 60 25