Six months ago, Fred bought a bond for $1331.00. The price of the bond is currently $1363.40. The bond has a face value of $3000 and a coupon rate of 7.24% and it pays semi-annual coupons, with the most recent coupon having just been paid. What were Fred's percentage return over the past 6 months (from 6 months ago to today)?(Round the value to 100th decimal and Please enter the value only without converting it to a decimal format. If the answer is 8.55%, enter 8.55)

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