Fifteen yeаrs аgо, yоu bоught а 30-year bond for $750. The annual coupon rate is 8%, the bond makes annual coupon payments, and the face value of the bond is $1000. Today, you sold the bond (with 15 years left until maturity) at a yield of 6%. What was your annual Holding Period Return (HPR)? Please write your answer in percentage terms to two decimal places (7.21 percent is 7.21, not 0.0721)