You will need to fill out the estimated budget for students on a visa every time you need a new I-20. For your convenience, a pdf file of the form is provided for you to download. See http://www.andrews.edu/grad/documents/dmin-application.pdf, pages 22-23 ONLY.
Submit the completed form to the AU Enrollment Office by fax: 1-269-471-2670.
Information to help you estimate expenses for this form is provided here.