Your father purchased an antique coin 25 years ago for $23.33. If it is now worth $126.62, what has been the annual rate of return on his coin investment? a. 5% b. 6% c. 7% d.8% Question 17 2 pts What is the present value of a 5-year ordinary annuity with annual payments of $251.45, evaluated at a 15 percent interest rate? a. $ 670.43 b. $ 842.90 c. $1,169.56 d. $1,522.64