A botanist secures a 30-year mortgage for $514,000 at an annual interest rate of 4.125% with 1.5 points. The loan origination fee is 0.75 points of the loan amount. Calculate the APR (in percent) for the loan. (Round your answer to the nearest thousandth of a percent.). Decreasing the number of years of a loan decreases the amount of interest repaid over the term of the loan. Suppose a dental hygienist has the option of a 30-year loan or a 25-year loan of $355,000 at an annual interest rate of 3.25%. (a) Calculate the monthly payment (in dollars) for each loan. (Round your answers to the nearest cent.) 30-year loan. s 25-year loan $ (b) Calculate the savings in interest (in dollars) by using the 25-year loan. (Round your answer to the nearest cent.). $