Question 4 1.5 pts Five years ago, you took out a 5/1 adjustable-rate mortgage and the five-year fixed rate period has just expired. The loan was originally for $450,000 with 360 payments at 5% APR, compounded monthly. If the interest rate falls by 1%, from 5% to 4% APR, compounded monthly, by approximately how much will this reduce the monthly mortgage repayments? $235 $89 O $139 $184