When a mortgage is for 15 years at 4.5 percent interest and the amount borrowed is $200,000 and closing costs are 4% of the new mortgage paid at closing by the buyer, what is the a) Monthly mortgage principal and interest payment? _ b) Balance of the mortgage after 5 years? c) total interest paid on the mortgage over the 15 years d) What is first year's total mortgage interest tax deduction, if this is a home? $ e) What are the closing costs at the time of purchase? f) What is the APR for this mortgage