题目内容

某建设项目有A、B两个投资方案，基准收益率ic=10%，其现金流量(投资与效益)见下表。
现金流量表年
参考系数：
[P/A,20%,2]=1.527 8 [P/A,25%,2]=1.440 0 [P/A,20%,1]=0.833 3
[P/A,30%,2]=1.360 9 [P/A,25%,2]=1.289 4 [P/A,25%,1]=0.800 0
[P/A,20%,7]=3.604 6 [P/A,20%,2]=3.161 1 [P/A,10%,7]=4.868 3
[P/A,30%,7]=2.802 1 [P/A,20%,2]=2.507 5 [P/A,20%,2]=0.694 4
[P/A,20%,2]=0.640 0 [P/A,30%,2]=0.591 7 [P/A,20%,2]=0.548 7
问题：
试分别应用如下两种方法，对A、B两方案进行评价和优选。
(1)净现值法。
(2)内部收益率法。

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It is said that one could aim at a prosperous life (having a good income and being able to afford the good things in life), an important life (a life of achievement that brings one respect and recognition), or a family life (a life completely centered on one's family). Write an essay Of about 300 words on
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Marks will be awarded for content, organization, grammar and appropriacy. Failure to follow the above instructions may result in a loss of marks.
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本大题共2小题，每小题6分。首先请判断正确或错误，然后说明理由。
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参考答案：错误

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