Colwood Corp. has 8.1% coupon bonds making annual payments with a YTM of 7.3%, current market value of $1,060.00. How many years do these bonds have left until they mature? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Years left to maturity years Oak Bay Software has 9.5% coupon bonds on the market with 18 years to maturity. The bonds make semiannual payments and currently sell for 107.1% of par. What is the YTM? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) YTM % What is the effective annual yield? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Effective annual yield