Question: Four warehouses A, B, C, and D with monthly shipping capacities of 4, 10, 3, and 2 units, respectively, are linked via the network shown to three retail outlets E, F, G whose monthly requirements are 4, 5, and 6 units, respectively. The monthly
Can these warehouses meet the needs of the retail outlets? If not, find the maximum number of units which the three outlets (combined) can receive in a month. Explain your answer.