单选

●两家工厂A1和A2向三个零售店B1、B2和B3供应某种商品。A1和A2可供应的商品件数是200和300,而B1、B2和B3的需求量是100件、200件和50件。各工厂和零售店之间可以进行转运。如果运输的单位成本如下表所示(例如:表中第4列第3行的数字“5”表示将一件商品从A2运到B1的成本):

 在最优的转运安排中,满足各零售店商品需求的运输总成本是(67)。

(67)A. 1750   

B. 1550   

C. 1350   

D. 850

参考答案
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