a. Two years ago, American Aircraft sold a $250 million bond issue to finance the purchase of new jet airliners. These bonds were issued in at par value with an original maturity of 12 years and a coupon rate of 12%. Determine the value today of one of these bonds to an investor who requires a 14% rate of return on these securities. Is it a discount or premium bond and why? b. The bonds issued by Big Corp. have a coupon of 6 percent, payable semiannually. The bond matures in 15 years and has a $1,000 face value. Currently, the bond sells at par. What is the yield to maturity for the bond, and what does it mean? Is this a premium or discount bond, and briefly discuss why?