Mr. Johnson has a thirty-year mortgage with end-of-month payments. It has a nominal quarterly interest rate of 4.4% during the first three years and a nominal monthly interest rate of 5.7% for the remaining twentyseven years. The repayment schedule shows level payments except for a final slightly reduced payment. The amount financed is $180,000. Find the amount of each of the first 359 payments. If Mr. Johnson sold the house just after his 36th payment for $200,000, how large a check did he receive