New PMP Question & Answers with explanation

Which of the following options is the key component of determining cost estimates and should be completed as early in the project as possible?
Select one
You are a project manager working for iTrim Central. Your organization has developed a new dieting technique that is sure to be the next craze. One of the deliverables of your feasibility study was an analysis of the potential financial performance of this new product, and your executives are very pleased with the numbers. You will be working with several vendors to produce products, marketing campaigns, and software that will track customers' progress with the new techniques. For purposes of performing earned value measurements for project costs, you are going to place which of the following in the WBS?
Select one
You are a project manager working for iTrim Central. Your organization has developed a new dieting technique that is sure to be the next craze. You're preparing your cost management plan. You know that all of the following are true regarding this plan except for which one?
Select one
When you're creating the cost management plan, which project elements should you consider and review?
Select two
Which of the following are true regarding the stakeholder engagement plan?
Select two