GUARANTEED! 26 25) A bond of the Old West Corporation pays 12% coupon and has $1000 par value. The bond matures in 20 years. The market's required yield to maturity on a comparable-risk bond is 11% (16p) a) Calculate the value of a bond. b) How does the value change if the market's required yield to maturity increases to 13% c) How does the value change if the market's required yield to maturity decreases to of d) Calculate the value of a bond if the coupon is paid semi-annually