• 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.Set loan terms with larger payments at the end. If the promissory note is an installment or balloon note, this section will detail the amount of each payment or the final lump sum due, respectively. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment. A promissory note is a written commitment to pay someone. Note or in the Assignment of Deposit Account which is described below.