Use PMT = [1−(1+ n
r
​
) −nt
]
P( n
r
​
)
​
to determine the regular payment amount, rounded to the nearest dollar. The price of a home is $216,000. 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%. Complete parts (a) through (e) below. a. Find the required down payment. b. Find the amount of the mortgage.