John buys a 10-year bond with annual coupons. The par value of this bond is 10000 as is the redemption value, and it has an annual coupon rate of 6%. The price John pays for the bond gives it an annual effective yield of 12%. John has set up her investments so that the coupons are immediately deposited in a savings account with an annual effective rate of 9%. What is the annual effective yield (IRR) of Johns overall investment over the 10-year term?