A company issues a ten-year $1,000 face value bond at par with a coupon rate of 6% paid semiannually. The YTM at the beginning of the third year of the bond (8 years left to maturity) is 4%. What was the percentage change in the price of the bond over the past two years?

Group of answer choices

-6.28%

13.58%

21.20%

-12.09%