Please help. Answer ALL three questions 10 years 20 years and 5 years thank you

(Yield to maturity) A bond's market price is $1,100. It has a $1,000 par value, will mature in 10 years, and has a coupon interest rate of 9 percent annual interest, but makes its interest payments semiannually. What is the bond's yield to maturity? What happens to the bond's yield to maturity if the bond matures in 20 years? What if it matures in 5 years? a. The bond's yield to maturity if it matures in 10 years is %. (Round to two decimal places.)