Rachael Ellis is taking out a 20-year $150,000 mortgage to buy a new house. She will make monthly payments of $1,299.20 and be able to deduct her interest expenses from her taxable income. If Rachael is in the 24% tax bracket, what are her before-tax and after-tax interest rates?

7.89% and 6%

7.56% and 5.75%

8.47% and 6.44%

8.32% and 6.32%