Draw a Context Diagram and Data Flow Diagram (DFD) model based on the below information given for university registrar office process. Show decomposition of top level context up to one or two levels into their corresponding functional primitives with numbering the order of the process.

University Register Office Process -

1. System Description: Enrollment of current student in a seminar class for which she is already eligible.
2. Pre-conditions - The Student is already registered at the University.
3. Post-conditions - The Student will be enrolled in the course only if she wants if she is eligible and room is available.
4. Basic Course of Action:

a. Student fills out her information in a form and submits it to a registrar

b. Registrar verifies the students eligibility to to enroll in seminars, according to the student record. If the student is not eligible then student is informed and use case ends.

c. Registrar asks student which seminar she would like to enroll in, with course catalog if necessary. Student chooses a seminar.

d. If the seminar still has room for students, registrar calculates fees and bills student for it.

e. After receiving the payment from the student, the registrar enrolls the student in the seminar and writes enrollment receipt.