New PMP Question & Answers with explanation

As part of the Estimate Costs process, a project manager obtained access to certain commercially available databases to get resource cost rate information. Such published commercial information is considered what type of input?
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Which of the following structures helps track project costs and can align with the organization’s accounting system?
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Jackie is the project manager of a large project. During the Determine Budget process, she identifies that contingency reserves need to be set up for unplanned but potentially necessary changes that could result from realized risks identified in the risk register. Which of the following is true about reserves?
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A project manager is estimating project costs and needs to decide whether the estimates will include direct costs only or include indirect costs, as well. In which of the following phases does this decision need to take place?
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Sally, a project manager, was reconciling expenditure of funds with funding limits on the commitment of funds for the project. She found a large variance between the funding limits and planned expenditures. As a result, she decided to reschedule work to level out the rate of expenditures. This is:
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