The Saleemi$$ Corporation's $$$$1$ comma $000$ bonds pay $12$ percent interest annually and have $13$ years until maturity. You can purchase the bond for $$$$1$ comma $115.$

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 $9$percent$?$