please solve part 2 for c (drop menus),d, and e. Thank you. These are all part of 1 question!

(Bond valuation relationships) Arizona Public Utilities issued a bond that pays $80 in interest, with a $1,000 par value. It matures in 20 years. The market's required yield to maturity on a comparable-risk bond is 6 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 5 percent? c. Explain the implications of your answers in part b as they relate to interest-rate risk, premium bonds, and discount bonds. d. Assume that the bond matures in 15 years instead of 20 years. Recompute your answers in parts a and b e. Explain the implications of your answers in part d as they relate to interest-rate risk, premium bonds, and discount bonds b. (ii) What is the value of the bond if the market's required yield to maturity on a comparable-risk bond decreases to 5 percent? (Round to the nearest cent) c. The change in the value of a bond caused by cha par called interest-rate risk. Based on the answers in part b, a decrease in interest rates (the y ise the value of a bond to by contrast, an increase in interest a discount ilue to (Select from the drop-down menus.) Also, based on the answers in part b, if the yield to n a premium trate) equals the coupon interest rate, the bond will sell at exceeds the bond's coupon rate, the bond will sell at and is less than the bond's coupon rate, the bond will sell at (Select from the drop-down menus)