Problem 12-07 Assume that you purchased an 7%, 20-year, $1,000 par, semiannual payment bond priced at $1,013.50 when it has 14 years remaining until maturity. Compute: a. Its promised yield to maturity? Do not round intermediate calculations. Round your answer to two decimal places. % annually b. Its yield to call if the bond is callable in four years with an 8% premium? Do not round intermediate calculations. Round your answer to two decimal places. % annually