题目内容
假定某通信公司只提供两项通信业务，分别为业务1、业务2，经过成本分析和归集，该企业在某一年内的固定成本总额为f，该成本为提供这两种业务的公共成本。两项业务的变动成本总额分别为A1、A2，在这一年中，两项业务的业务量分别为q1、q2。按照3题的分摊方法，业务l的单位成本为()。
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