• If you wish to prepare an amortization table of the loan that includes interest. • If you want to see and determine the amount of monthly payment for the loan.Balloon Promissory Note: The borrower makes smaller payments initially, with a large "balloon" payment at the end of the loan term. Set loan terms with larger payments at the end. The Florida Promissory Note Installment PDF is a very simple form to fill out. This tool figures a loan's monthly and balloon payments, based on the amount borrowed, the loan term and the annual interest rate. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment. County; however, now it is a loan.