Oranges are grown, picked, and then stored in warehouses in Tampa, Miami, Fresno, and Houston $($with supply capacities $250,350,200,$ and $300$ units respectively$).$ These warehouses supply oranges to markets in New York, Philadelphia, Chicago, Boston, and San Diego $($with demands $200,150,230,250$ and $300$ units respectively$).$ The following table shows the shipping costs per truckload $($in hundreds of dollars$).$

Because of an agreement between distributors, temporarily shipments are not allowed from Miami to Chicago. New York and San Diego are such important destinations that all of their demands must be fulfilled.