One of the types of cost estimation is Order of Magnitude This estimate

变更请求不能以下列哪种形式提出？()

请考虑下表中的数据假设项目只包括这三个活动项目的完工估算是$这说明计算完工估算时采用的是以下哪个公式？

The customer on a project tells the project manager he has run out of money to pay for the project . What should the project manager do FIRST ？

Which of the following is true？