New PMP Question & Answers with explanation

Which project management document provides the project manager with the authority to apply organizational resources to project activities?
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Analogous estimating is also known as what?
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Roshoud is the VP of customer operations for Galactic Kidz and project sponsor of the latest project, called Project G. He sits down with Sally, the project manager, to discuss the current budget estimate. Roshoud expresses his concerns to Sally about the budget being far greater than originally anticipated and asks her to course-correct. What produces the greatest expense on most projects?
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Which of the following best describes the focus of Agile teams?
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Your project selection committee is considering four projects. Project A’s NPV is positive, it has an IRR of 14 percent, and the payback period is 21 months. Project B’s NPV is negative, it has an IRR of 9 percent, and the payback period is 16 months. Project C’s NPV is positive, it has an IRR of 16 percent, and the payback period is 18 months. Project D’s NPV is negative, it has an IRR of 16 percent, and the payback period is 13 months. Which project should you choose?
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