3. A home is being sold for $235,000. A down payment of 10% is required and the lender will guarantee a 4.5 % interest rate on a 15-year mortgage loan. a. Calculate the amount of the down payment 23 w X 10% b. How much is to be borrowed from the lender? c. Calculate the monthly payment. PMT= P(r) [1-(1+r) -nt] d. How much will have been paid in total after 15 years? e. How much will have been paid in interest