Create a context diagram and Level 0 DFD (Data Flow Diagram) for the following description (context diagram is not a Level 0 DFD diagram)

System Description: Enroll an existing student in a seminar for which she is eligible.

Pre-conditions -

• The Student is registered at the University.

Post-conditions:

• The Student will be enrolled in the course she wants if she is eligible and room is available.

Basic Course of Action:

• Student inputs her information in a form and give it to registrar.
• Registrar verifies the student is eligible to enroll in seminars, according to the student record. If not eligible then student is informed and use case ends.
• Registrar asks student which seminar she would like to enroll in, with course catalog if necessary. Student chooses a seminar.
• If the seminar still has room for students, registrar calculates fees and bills student for it.
• Receiving the payment, the registrar enrolls the student in the seminar and writes enrollment receipt.