Question 8 (1 point) Carrie takes out a 20-year loan for $20,464.05 at annual effective interest rate i. She pays for this by paying a total amount of $1627.84 at the end of each year, part of which pays off all the interest and the rest goes into a sinking fund that earns 9% annual effective interest. Calculate Carrie's annual interest rate, i. a) 6% Ob) 2% Oc) 4% d) 8% e) 10%