A bond has a $1,000 par value, 17 years to maturity, and pays a coupon of 8.75% per year, annually. The bond is callable in seven years at $1,065. If the bond's yield to call is 8.42% per year, what is its annual yield to maturity? OA) 7.89% B) 8.05% OC) 8.26% OD 7.96% E) 8.15%