You are a staff accountant at a large firm and are assigned to work with the IT department to update the current systems throughout the organization. An accounting intern is assigned to help with the project. The intern wants to document the current processes using a REA diagram.Conduct a preliminary search and:According to the above scenario, how do you explain to the intern why REA diagram is not appropriate?Discuss the four rules for designing an REA diagram? Include a definition for each.Discuss how adopting a value chain perspective reveals advantages of adopting an REA approach to information system development.In your own words, post a substantive response to the Discussion Board question(s) and comment on other postings. Your response should address the DB question(s) and move the conversation forward. You will be graded on the quality of your postings, including mastery of the concept as well as critical thinking. If asked for your opinion, do not simply state that it is a good or bad idea; elaborate on your reasons and argument. Include enough detail to substantiate your thinking as well as your position on the questions or comments. I need the answer of each question seprataly.