Companies that issue bonds will include that serve to protect the interests of the bondholders by restricting certain activities of the issuing firm that could endanger the bondholders. Select one: a. bond ratings b. subordinated debentures c. debentures d. protective covenants Manning Corp. has 7.5% coupon bonds outstanding with a $1,000 par value that make semiannual interest payments, mature 30 years from today, and currently sell for $1,175. What is the yield to maturity (YTM) for these bonds? Select one: a. 6.21% b. 6.58% c. 8.42% d. 7.92% e. 3.10%