Use PMT equals StartFraction Upper P (StartFraction r Over n EndFraction )Over [1 minus (1 plus StartFraction r Over n EndFraction )Superscript negative nt ]EndFraction to determine the regular payment amount, rounded to the nearest dollar. The price of a home is $143 comma 000. The bank requires a 20% down payment and three points at the time of closing. The cost of the home is financed with a 30-year fixed-rate mortgage at 8.5%.