Mr Richard Jones, the owner of your local bookstore, Books and Books, has decided to take his business online. He believes he can keep his patrons and attract new clients by providing his services online. He has decided to have an online retail web presence. he has hired you as a systems analyst to provide the leadership from inception to deployment. Develop a systems proposal for the anticipated online book selling service. your proposal should include the following:
1. Use entity relationship and use case diagrams to model the system.
a) Identify at least four entities.
b) Identify the relationships among the entities
c) Draw the E-R Diagram.
d) Draw Use Case Diagram.
e) Develop Use Case Scenarios for each Use Case Diagram.