21. Cornerstone Industries has a bond outstanding with an 8% coupon rate and a yield of 10.70%. The bond has a face value of $1,000. If the bond matures in 6 years and interest is paid semiannually, what is the price? A) 865.23 B) 870.25 C) 872.69 D) 874.68 E) 882.67 22. If corporate bond yields are at 8.39% and you are in the 34% federal marginal income tax bracket, at what level of municipal bond yields would you be indifferent between owning corporate bonds or muni bonds? Ignore the impact of state and local taxes. A) 4.11% B) 5.95% C) 4.67% D) 5.54% E) 5.03% 23. Two classes of stock sometimes exist for a particular company. The classes generally differ in terms of