Application of cost comparison method and expected net benefits method in cost | income analysis for construction project of information system was described, and method and procedure for dealing with practical project were put forward. 介绍了成本比较法和期望净收益(NB)法在信息建设项目成本收益分析中的具体应用,提出了解决具体项目的方法和步骤。
To make net benefits from different years comparable, their present value must be computed. 为了使来自不同年份的净收益(NB)可以进行比较,必须计算他们的现值。
ROI is calculated by dividing net benefits ( benefits minus costs ) by costs. ROI的计算方法是净收益(NB)(收益减去成本)除以成本。
To accommodate cash flow fluctuations, you can adjust the ROI calculation to include the Net Present Value ( NPV ) of the net benefits divided by the NPV of the implementation costs. 要包含现金流的波动,可以调整ROI计算,以包括净利益的净现值(NetPresentValue,NPV)除以实现成本的NPV所得的值。
Its conclusion is that at aggregate level neither the net costs nor net benefits of moderate levels of immigration are very large. 报告的结论是,整体而言,适量移民造成的净成本或净收益(NB)都不是太大。