One Year Ago, an Investor Purchases a $1,000 Par Value

One year ago, an investor purchases a $1,000 par value bond at a price of $967. The bond had a 7% semi-annual coupon, and 12 years to maturity. Today, the yield to maturity of the bond is 6.8 percent. What is the realized yield as of today?

A) 12.09%
B) 15.40%
C) 13.09%
D) 14.06%
E) 11.62%