I am having trouble with this homework, could you please help?

P9-16 (similar to) (Related to Checkpoint 9.2) (Yield to maturity) The Saleemi Corporation's $1 ,000 bonds pay 7 percent interest annually and have 12 years until maturity. You can purchase the bond for Sl,145_ 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 7 percent? Question Help