QUESTION 18 Suppose the prices for 1-year and 2-year zero-coupon bonds with par $100 are $70 and $06, respectively. What's the yield to maturity on a 2-your 10% coupon bond with par-$10007 O a 17.91% Ob. 12.69% O c. 190.27% O d. 7.83% QUESTION 19 Given the yield of 5.8% 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% b. 1.49% O c. 6,61% d. 2.10%