New PMP Question & Answers with explanation

Louis R. Pondy, a professor of business administration and author on organizational management and other topics, developed the stages of conflict. Which of the following are stages of conflict according to Pondy?
Select three
You are a project manager for Waterways Houseboats, Inc. You've been asked to perform a cost–benefit analysis for two proposed projects. Project A costs $2.4 million, with potential benefits of $12 million and future operating costs of $3 million. Project B costs $2.8 million, with potential benefits of $14 million and future operating costs of $2 million. Which project should you recommend?
Select one
You have just prepared an RFP for release. Your project involves a substantial amount of contract work detailed in the RFP. Your favorite vendor drops by and offers to give you and your spouse the use of their company condo for your upcoming vacation. It's located in a beautiful resort community that happens to be one of your favorite places to go for a getaway. What is the most appropriate response?
Select one
You need to convey some very complex, detailed information to the project stakeholders. What is the best method for communicating this kind of information?
Select one
You are the project manager for Xylophone Phonics. It produces children's software programs that teach basic reading and math skills. You are performing the Plan Quality Management process and are identifying operational definitions. Which of the following does this describe?
Select one