New PMP Question & Answers with explanation

The formula for Cost Variance is:
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A large construction project for a logistics company will require the expenditure of a large amount of capital. The finance group works with the project manager to project set limits when expenses will be incurred in a given project and to determine whether there are ways to smooth out or level the spending to avoid a single large expenditure in one quarter and none in the next. This is an example of:
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The cost estimates for a project are in the range of +/- 5 %. What phase is the project likely to be in?
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Bottom-up Cost estimating is typically motivated by the size and complexity of:
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Breaking down project activities into smaller components in order to obtain a more accurate cost estimate and then aggregating the estimates of the lower-level components is:
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