QUESTION $3$

Wendy is buying a town house priced at $$301,000\mathrm{.}00.$ Mortgage A calls for her to make equal monthly payments for $20$ years at a monthly interest rate of $0\mathrm{.}63\%$ with her first payment due in $1$ month. However, her loan officer has offered her a new opportunity involving equal monthly payments for $30$ years at a monthly interest rate of $0\mathrm{.}72\%$ with her first payment due later today. By how much would switching from mortgage A to the new opportunity reduce the amount of Wendy's monthly loan payment?

$$91\mathrm{.}62($plus or minus $10$ cents$)$

$$109\mathrm{.}74($plus or minus $10$ cents$)$

$$108\mathrm{.}29($plus or minus $10$ cents$)$

$$93\mathrm{.}13($plus or minus $10$ cents$)$

none of the answers are within $10$ cents of the correct answer