Creating a Domain Model Class Diagram. Creating a Domain Model Class DiagramRefer to the RMO CSMS domain model class diagram shown in Figure 4-23 on page 111 of the textbook and the discussion of subsystems in Chapter 3.Write a two to three (2-3) page paper in which you:Using Microsoft Visio or an open source alternative such as Dia, create a domain model class diagram for the RMO CSMS marketing subsystem. Note: The graphically depicted solution is not included in the required page length.Provide a narrative describing your diagram that includes:An overview of the diagramAn analysis of the different classes in the diagramUse at least three (3) quality resources outside of the suggested resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.Your assignment must follow these formatting requirements:úÿÿÿÿÿÿÿÿÿÿÿÿÿ Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.úÿÿÿÿÿÿÿÿÿÿÿÿÿ Include a cover page containing the title of the assignment, your name, the professor?s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.