QUESTION 19 Given the yield of 5.6% on a 3-year zero-coupon bond, 7.7% on a 2-year zero-coupon bond, and 7% on a 1-year zero- coupon bond. Suppose you have purchased a 3-year 9% coupon bond with a par value of $1,000. What would the total rate of return be over the first two years? a. -1.68% O b. 1.49% O c. 6.61% O d. 2.10%