ReviewCh. 7 of the PMBOK Guide and the Week 1 ERR articles located under the “Project Estimation,” “Project Scope,” and “Project Risk Analysis” topic headers.Write a 350- to 700-word paper that briefly describes each of the project estimating techniques. Include the following:Explain when each technique would be used.Explain how each technique is used.Provide sources of information needed to determine the most appropriate technique for a project.Explain what tools you could use to justify your estimates. Format your paper consistent with APA guidelines.ReviewCh. 7 of the PMBOK Guide and the Week 1 ERR articles located under the “Project Estimation,” “Project Scope,” and “Project Risk Analysis” topic headers.Write a 350- to 700-word paper that briefly describes each of the project estimating techniques. Include the following: Format your paper consistent with APA guidelines.