Assignment Read all of chapter 4, watch videos 4-1.1 and 4-1.2, and complete Discussion Board #4 assignment. Read through the grading rubric on Blackboard Assignment 4 to understand the components of this assignment. Use a drawing tool such as Visio or PowerPoint to create the diagrams in steps 1 and 2. Alternatively, you may NEATLY hand draw and scan. Submit in PDF format via the "attach" link in Blackboard Assignment 4 before completing this 1. Draw an entity-relationship diagram (ERD) to represent the data storage requirements for the Bookings system, including the attributes mentioned and/or implied. Indicate any assumptions/constraints you can think of. Use the example on page 102 Figure 4-10 for correct symbols and formatting. (Your entities will be different.) Refer to Discussion Board topic #4 for techniques on how to identify all necessary entities/classes and their respective attributes. 2. Draw a domain model class (DMC) diagram that corresponds to the ERD developed in step 2, but now assume there are different types of musical acts -solo artists, small combos, and larger groups. Each type of act requires different stage setups. In addition, the payment model may be different for each type of act. Include a generalization/specialization hierarchy (Figures 4-19 and 4- 20 on pages 108 and 109) within the DMC diagram for the class Performer showing the different attributes each special type of performer/group might have 3. In the "add comments" section on Blackboard Assignment 4, w questions: rite two or three sentences an swering these next three a. What are the differences between Entity Relationship diagrams and Domain Model Class diagrams? b. If you were a member on a systems development team, would you create both diagrams or just one? Why