A 20-Year Bond with a $1,000 Face Value Was Issued

Multiple Choice

A 20-year bond with a $1,000 face value was issued with a yield to maturity of 4.3% and pays coupons semi-annually. After ten years, the yield to maturity is still 4.3% and the clean price of the bond is $959.71. After three more months go by, what would you expect the dirty price to be?

A) $978.71
B) $969.21
C) $997.71
D) Cannot be determined from information given.