题目内容

一个垄断企业生产某产品的总成本函数为:TC=1/3Q3-30Q2+1000Q,产品在实行差别价格的两个市场上出售。第一个市场的需求函数为P1=1100-13Q1,在利润极大时产量为48;第二个市场需求曲线上,当价格为均衡价格时的弹性为3。试问该企业的纯利润为多少?

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That man was ________ enough not to tell the manager that he would not do the job.

A. care
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A. sadly
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