Disney enterprises issued 7.55% senior debentures (bonds) on July 15, 1993, with a 100-year maturity (that is, due on july 15, 2093). Suppose an investor purchased one of these bonds on July 15, 2003 for $1,050. A) Determine the yield-to-maturity (nearest 1/100 of 1 percent) using the valuation formula for a bond with a finite maturity. B) Determine the yield-to-maturity (Nearest to 1 percent) using the valuation formula for a perpetual bond. C) explain why the answers to parts a and b are the same.