New PMP Question & Answers with explanation

You are having difficulty estimating the cost of a project. Which of the following best describes the most probable cause of your difficulty
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To-complete performance index (TCPI) is represented by which of the following?
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`project setup costs are an expampel of:
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You have been working with the subject matter experts to estimate the activity durations and costs on the project. All of the following are outputs of the estimate costs process excpet:
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A company has invested significant capital in a current project. The project involves infrastructure and technology changes that will impact private client data, processing of transactions, and the distribution of goods to end users. Recent regulatory changes have made this project a higher priority for the company. While completing the project, the project manager realizes he needs to decrease project costs. There are concerns that this could impact end user satisfaction and create potential compliance issues. After researching his options, he comes up with the following choices. He will need to communicate the recommended option to the project stakeholders. Which choice would decrease project costs?
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