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某种品牌的同一种洗衣粉有A、B、C三种袋装包装,每袋分别装有400克、300克、...
某种品牌的同一种洗衣粉有A、B、C三种袋装包装,每袋分别装有400克、300克、200克洗衣粉,售价分别为3.5元、2.8元、1.9元.A、B、C三种包装的洗衣粉每袋包装费用(含包装袋成本)分别为0.8元、0.6元、0.5元.厂家销售A、B、C三种包装的洗衣粉各1200千克,获得利润最大的是( )
A.A种包装的洗衣粉
B.B种包装的洗衣粉
C.C种包装的洗衣粉
D.三种包装的都相同
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