or each question you must: 1. Draw the ERD in Visual paradigm and save the file, Rename the diagram with the question number. For example, for the ERD of question 1, name the vpp file as: 1.vpp 2. Insert a text box and write your name and student id. Submit: 1- One PDF file including all the answers and pictures of the ERDs, and 2- all ypp ERD files In total you need to submit one PDF and Three vpp files (1.vpp, 2.vpp, and 3.vpp) 1. Customer Booking Scenario a) Draw an ERDior the following relational schema: CUSTOMER (CUS ID. CUS_First_Name, CUS_Last_Name, CUS_Date_of_Birth, CUS_Address, CUS_Email, CUS Phone_Numebr) BOOKING (BOK Reference, BOK_Date) The two entities are related with the following business rule: - Each CUSTOMER may book many BOOKINGS. - Each BOOKING is booked by one and only CUSTOMER. b) Extend the existing ERD with APPOINTMENT, SERVICE, and EMPLOYEE entities. Make sure to add relevant attributes to each entity. The following business rules apply: - Each BOOKING consists of maximum of three APPOINTMENTS. - Each APPOINTMENT belongs to one and only BOOKING. - Each APPOINTMENT comprises of one and only one SERVICE. - Each SERVICE may be offered in many APPOINTMENTS. - Each EMPLOYEE may confirm many APPOINTMENTS. - Each APPOINTMENT is confirmed by one and only one EMPLOYEE