Required: a. What is the yield to maturity on a bond that you purchased for $1,024, assuming that the bond has 18 years to maturity, a par value of $1,000, and a coupon rate of 4.10% ? The bond pays coupon interest semiannually. (Do not round intermediate calculations. Round your answer to 4 decimal places.) b. What is the effective annual yield on this bond? (Do not round intermediate calculations. Round your answer to 4 decimal places.)