Keyspan corp. is planning to issue debt that will mature in 2,030. In many respects, the issue is similar to the currently outstanding debt of the corporation. Use Table 11-3 a. Calculate the yield to maturity on similarly outstanding debt for the firm, in terms of maturity. (Input your answer as a percent rounded to 2 decimal places.) Assume that because the new debt wil be issued at par, the required yield to maturity will be .15 percent higher than the value determined in part a b. What is the new yield to maturity? (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) C. places.) Atertax cost of debt