75元加麵包成本!以成本跟賣價對開的常規來算,應該是87.5元。
所有跟帖:
• 麵包還是應該作價25元,因為他可以賣給別人。所以答案是100 -QualityWithoutName- ♂ (0 bytes) () 12/01/2015 postreply 06:29:38
• 麵包還是應該作價25元,因為他可以賣給別人。所以答案是100 -QualityWithoutName- ♂ (0 bytes) () 12/01/2015 postreply 06:29:38
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