In estimating costs to compare and select projects, which of the following is true? Group of answer choices Social factors are the most important consideration when choosing between competing projects. The methods used to estimate the cost of the project during the selection phase are slower than those used to create detailed estimates in later phases. The amount of time and resources used to make estimates should be appropriate primarily to the location of the project. Estimates in the earliest stages of project selection are usually made using estimates based from previous projects. Experienced managers can make accurate estimates only with more detailed information