Roger has found a home to be purchased for $$197,098$ and has agreed to pay $21\%$ down. Find the amount of roger's down payment. Find the amount of money that Roger would need to borrow through a mortage in order to purchase a home. If roger found a $30$ year mortage with a $5\mathrm{.}1\%$ APR. what would rogers's month;y payment be$?$