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 twenty- seven 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?