XYZ Inc. just issued a semiannual bond with 15 years to maturity. The bond is callable, however, after 5 years with a call premium of $90 per bond. Its face value is $1,000, it currently sells for $943.57 and its coupon rate is 8%. The annual yield to call (assuming the bond is called at the end of the fifth year) is closest to: 5.45% 7.74% 10.50% 10.89%