ALL 3 is 1 question just continued. Please help out with all.

Maria bought a 20-year, 7.2% annual coupon bond at a market price of $921.45. The face value of te bond is $1,000. What is the bond's yield to maturity? Select one: 7.2% X 8% 8.5% 7% Continued with previous question. A year later, the market yield for the same bond falls by 0.8 percentage point. The bond price at this point should be $ 324 x . (do not add thousand separator) If Maria sells the bond, what is her capital gain ? Select one: 8.52% 7.55% 7.2% X 8%