MORTGAGE INSURANCE – Rounded, if applicable. A mortgage payoff letter can come in two forms.One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Use this mortgage calculator to calculate estimated monthly mortgage payments and rate options. This online calculator helps determine how much interest you can save with a complete amortization payment schedule. Michigan's K–12 academic standards serve to outline learning expectations for. Michigan's students and are intended to guide local curriculum development. Data must be numeric up to 9 digits with up to 2 decimal places. RealPropertyAmount LoanPurposeType PersonalPropertyIncludedIndicator. Loan Info, Numeric, 2 decimal points, no commas, no dollar sign.