通过项目国民经济效益评估，可以判断项目建设对国民经济的()。

项目预算工期为4天，分配的预算为4000美元。项目经理按每天1000美元分配一项资源以按计划时间完成工作。在第二天结束时，所执行的工作量预估金额为1600美元。如果资源的生产率保持相同，项目预计将于何时完成

以下哪一项是项目的可交付成果的特点？

Performance of a contract can bring liabilities other than the stated and implied warranty and guarantee that have implications of risk, but are perhaps not as visible Two of these liabilities are ________ and ________ infringements.

The initial cost of your project is $25,000, which will save the company $6,000 per year for the next four years. Using the above table If your company wants a 12% ROI, what is the NPV of the project？