PBJ Corporation issued bonds on January 1, 2006. The bonds had a coupon rate of 5.5% with interest paid semiannually. The face value of the bonds is 1,000$ and the bonds mature on January 1, 2021. What is the yield to maturity for an PBJ Corporation bond on January 1, 2012 if the market price of the bond on that date is 950$?

A. 5.50%

B. 6.23%

C. 8.43%

D. 10.50%