Bookstore staff at pleasant Greek community college works hard in order to satisfy the students, instructors, and the school`s business office. Instructors specify the textbooks for the particular courses and the bookstore orders the books and sells them to students. The bookstore wishes you to design the object-oriented model for a new bookstore information management system.

1) State the possible objects in bookstore operation involving their attributes and methods.

2) Recognize the possible use cases and actors

3) Select one of the use cases which you recognized in step 2 and generate a sequence diagram.

4) Generate an object relationship diagram which gives an overview of the system, involving how textbooks are chosen by the instructors, approved by the department head, and sold to students by bookstore.