New PMP Question & Answers with explanation

While managing a large project, the project manager decided to include indirect costs as part of his cost estimate. If indirect costs are included in an estimate, which of the following is true?
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In the earned value management technique, the cost performance baseline is:
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The Budget at Completion (BAC) for a project is $50,000. The Actual Costs (AC) to date are $10,000. The Earned Value (EV) is $7,000. At this stage, the project management team did a manual bottom-up summation of costs and forecast an Estimate to Complete (ETC) of $50,000. What is the Estimate at Completion (EAC) for the project?
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As part of earned value management (EVM), a project manager is calculating the to-complete performance index (TCPI) based on EAC. The data he has is as follows: The budget at completion for the project is $100,000. The earned value for the project is $25,000. The actual costs to date are $40,000, and the estimate at completion is $115,000. What is the TCPI that he will get?
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Variance analysis refers to cost performance measurements used to determine the magnitude of variation in comparison to the original cost baseline. What is the trend on the percentage range of acceptable variances as the project progresses?
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