Boeing Corporation has just issued a callable (at par) three-year, 4.5% coupon bond with semi-annual coupon payments. The bond can be called at par in two years or anytime thereafter on a coupon payment date. It has a price of $99.11. a. What is the bond's yield to maturity? b. What is its yield to call? c. What is its yield to worst? a. What is the bond's yield to maturity? The bond's yield to maturity is %. (Round to two decimal places.)