If a $1,000 par bond with a 6% semi-annual coupon and 7 years to maturity is trading at a price of $1089.22, what is the bond's yield to maturity? a. 2.25% b. 4.5% c. 5.21% d. 4.36% If the bond from the above question is selling for $1,088.67 in three years, what will be its yield to maturity at that time? a. 1.80% b. 2.89% c. 3.6% d. 4.5%