the buyer easily with the price of bread, the bre can increase the price of bread and will buy can still remains the choice of bre. However if the money high manufacturing materials ' uncontrollable, the bre must choose between reducing the weight of the cake to keep the money, or raise money to retain the weight of the cake. This may have an impact on customers. so to keep the amount of customers, bre to reduce weight as well as reduce's bakery
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