A couple purchased a $500,000 home 5 years ago by paying 10% down and signing a 25-year mortgage at 15% compounded monthly. (a) How much money was borrowed by the couple? (b) What are the monthly payments? $ (c) Now that 5 years are gone, what is the outstanding balance of the loan? $ (d) The loan is renegotiated. (This means that you are taking a new loan with the amount of the loan being equal to the outstanding balance that you found in part (c)]. After renegotiation, the new interest rate is 4% and it is decided that the outstanding balance [your new loan] will be paid back over a period of 12 years. What are the new monthly payments