Your credit score is in the range of 720739 and you want to buy a house .You have 20% down payment to put on a house that has a market value of $450,000. a) Use www.bankrate.com website to identify the bank with the most convenient APR for your 30year fixed mortgage and accordingly calculate your annual payment. Ignore external and additional costs in your calculation that may vary from one bank to another b) After 20 years of annual payment, how much you should pay in lump sum to your bank to end up all your debts. Ignore penalties or any other additional cost c) According to your finance, your maximum annual payment for your mortgage cannot exceed $24,000. Under this condition, how much should be your minimum down payment for your mortgage