Sagebrush Company has four warehouses (A, B, C, and D) that require monthly shipments of 250, 200, 300, and 200 units per month, respectively. Its three plants (1, 2, and 3) have monthly capacities of 300, 400, and 250, respectively. Plant capacities, warehouse needs and shipping costs (in $) are shown in the following initial transportation method tableau. For example, the shipping cost from Plant 1 to Warehouse A is $17 per unit. WAREHOUSE A B D PLANT CAPACIT Y 17 16 16 16 1 300 15 18 16 17 2 400 18 15 18 16 3 450 REQUIREMENT 250 200 300 200 S 24) Use the information in Table E.1. What can be said about a plan that ships 200 units from 1 to A, 100 units from 1 to B, 100 units from 2 to B, 300 units from 2 to C, and 250 units from 3 to D?