: As a system analyst, your client requests you to develop a purchasing information system for a bookstore. Your clint, therefore, requests you to determine the scope of the system via an entity-relationship diagram. Your clint expects that the system allows a customer place many orders for different books. If a book is not available, customers request will be sent to a waiting list. These lists will be sent to a Supplier for providing unavailable books.

a) Draw the E-R relationships of the above case scenario.