A company issues a ten-year $1,000 face value bond at par with a coupon rate of 6.7% paid semiannually. The YTM at the beginning of the third year of the bond (8 years left to maturity) is 8.1%. What was the percentage change in the price of the bond over the past two years? A) -9.75% B) -11.38% C) -8.13% D) -6.50%