Create a Use-Case Diagram for the CRM System following the UML guidelines in Appendix A of the textbook.Doc sharing Project Workbook – Week 7 folder, has instructions on how to create a Use Case using Visio (but you can use any MS Office application).Need to include processes for Record Customer Activities, Send Promotions, Generate Point Redemption Coupons, and Generate Customer Reports processes.The hint is to look at the external entities, processes, and data stores from the Level 0 DFD on page 187.Actors:The Customer is a source and a sink – and should be shown as one Actor on our Use Case.The three data stores will be the other actors:Customer Activity Records.Marketing Database.Product Database.Process: Each of the sub process on page 187 will become a Process reflected in the Use Case.So we have a total of four processes.Send Promotions.Generate Point Redemption Coupons.Record Customer Activity.Generate Customer Reports.Actors will interact with the processes on the Use Case based on the data flow arrows on the Level 0 diagram. For Example: Product Database Actor will connect to the Generate Customer Reports process as shown on the bottom right of the Level 0 diagram on page 187.