Analyzing the system for student assignment management, the following requirements were identified- 1. There can be three types of users: Teacher, Teaching Assistant (TA) and Student 2. Teacher can...

Analyzing the system for student assignment management, the following requirements were identified-

1. There can be three types of users: Teacher, Teaching Assistant (TA) and Student
2. Teacher can add new assignments
3. Teacher can edit/remove an existing assignment
4. TA can edit/remove an existing assignment
5. Student can submit an assignment
6. Student can edit his submission (before due date)
7. TA can assign grade to submission (after due date)
8. Teacher can modify grade after graded by the TA
9. Student can view grade
10. Student can generate reports of his submissions after graded by the TA

Please Draw a Use Case diagram based on the above information.