You purchase a 30-year coupon bond for $900 with a 7% semi-annual interest and a yield to maturity of 8.5%. Suppose you plan to hold it for 15 years. You anticipate that the bonds yield to maturity will be 10% when you sell it and that the reinvestment rate on the coupon will be 6%. What will be the annualized realized compound return by the end of your investment period?