Google CEO Sundar Pichai purchased a bond that has 5% coupon with 4 yrs remaining maturity for $102. Face value is 100. Coupon is paid on a semiannual basis. The bond is callable in 2 yrs and onward. The strike prices (call schedule) are given next: 101.5 (yr 2), 101 (yr 3), and 100 (yr 4). Which of the following is most likely to be the bonds annual yield to maturity?

A. 2.22%

B. 4.45%

C. 6.66%