i need help with a and b

(Rolated to Checkpoint 9.2) (Yiold to maturity) The Saleemi Corporation's $1,000 bonds pay 12 percent intorost annualy and have 13 years until maturity. You can purchase the bond for $905. a. What is the yield to maturity on this bond? b. Should you purchase the bond if the yield to maturity on a comparable-risk bond is 15 percent? a. The yield to maturity on the Saleemi bonds is \%. (Round to two decimal places.)