The time value of capital in schedule cost optimization and the influence of the income of running period to schedule cost optimization of engineering project is mainly studied in this paper.

本文重点研究了工程项目建设期进度费用优化中资金的时间价值以及工程项目运营收益对项目建设期进度费用优化的影响。

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Project cost in construction enterprises is to reflect the engineering construction enterprise cost level in a certain period of time, is the combination of various factors.

施工企业的工程造价是在一定时期内反映出施工企业工程建设的费用水平，是诸多因素结合的产物。

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The extra cost questions caused by the time delay arouse by the objective factor, the cost calculation methods and period of validity of delay time.

客观原因造成工期延误的费用赔偿问题，费用计算的方法，工期延误有效期的确定。

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"Massmart is well positioned as a springboard for sub-Saharan Africa, but we believe that it will take a much longer time period for the company to earn its cost of capital in Africa, " said Janney Montgomery Scott analyst David Strasser.

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Once a new unit is built, the operational costs are nominal and over a 40-year time period, such facilities have proven to be cost effective.

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Communities with Type B contracts, for example, typically discount the cost of additional care for a set time period.

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