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Four years ago, at the advice of J.T. Lindseth, her financial planner, Ali purchased a $1000 face value, 5.70 percent, semi-annual coupon bond with four years to maturity priced to yield 8.50 percent of $906.70. Now, the bond has matured, and Lindseth calls Ali and informs her that because he had invested the coupons at an annual rate of 10.0 percent, her realized return was approximately:
A) 8.30%
B) 8.65%
C) 9.25%
D) 9.67%