I understand the a but keep getting b wrong

(Bond valuation relationships) A bond of Telink Corporation pays $110 in annual interest, with a $1,000 par value. The bonds mature in 20 years. The market's required yield to maturity on a comparable-risk bond is 9 percent. a. Calculate the value of the bond. b. How does the value change if the market's required yield to maturity on a comparable-risk bond (i) increases to 12 percent or (ii) decreases to 6 percent? C. Interpret your findings in parts a and b. BE a. What is the value of the bond if the market's required yield to maturity on a comparable-risk bond is 9 percent? $ 1182.54 (Round to the nearest cent.) b. (0) What is the value of the bond if the market's required yield to maturity on a comparable risk bond increases to 12 percent? (Round to the nearest cent.)