Your task is to complete the project management document to provide a comprehensive idea and scope of the project. Your submission should include the following documents:

1.  A complete project plan (PERT & GANTT Chart)
2.  A complete Net Present Value Analysis 
3.  A Return on Investment Document
4.  A payback Analysis Scenario

The above documents should clearly be developed using a project tool that is available to you. You should make necessary assumptions in deciding your basis that would yield to the above documents. You are required to state your assumptions clearly and package the documents in a professional report to the top management for their consideration.

XYZ, as indicated in the previous assignment specification is interested in a 5-year cycle as an initial period for the process changes. XYZ is interested in a cost-benefit analysis so that their investment options can be seriously debated. To be able to conduct a real cost benefit analysis, assume a 6% base rate.