Mr. Lonely is a buying a house with a cost of $800,000. He is planning to make 25% down payment on the house and pay the rest with a mortgage loan. If the mortgage loan that the bank offers has an APR of 6% compounded quarterly with monthly payments, maturity of 30 years, and the first payment due in one month, Required: 1. (5 marks) What is the amount of the monthly payments? 2. (5 marks) Lonely can afford monthly payments of only $2,200, so he offers to pay off any remaining loan balance at the end of the loan in a form of a single payment. How large will this payment have to be to keep his monthly payments at $2,200