Exam PMP Topic 1 Question 188 Discussion

You are a project manager at a real estate company that develops and manages commercial, retail and residential properties in United States and Europe. As a company continues to grow, the company's IT infrastructure is unable to meet business needs of organization. Specifically, you have been assigned to upgrade the company's IT infrastructure. Specifically, your team has been asked to implement a corporate general ledger system, improve accounting and real estate processes, develop and implement lease tracking system, and implement HR and payroll systems and perform diagnostics and monthly closures.
Your project team has already completed all the initiating / project planning activities and received sign-off approvals on the project charter, project scope, and detailed work packages. Your project team is in the process of completing all the work packages. However, you would like to make a minor change to the project management plan. You have already investigated the options on how to implement the change and determined that the change has no effect on the components of the "triple constraints". Which of the following should you perform NEXT?