6. value: 2.00 points 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.) Yield D % Assume that because the new debt wil be issued at par, the required yield to maturity will be 10 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.) Yield D % c. If the firm is in a 30 percent tax bracket, what is the aftertax cost of debt for the yield determined in part b? (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Aftertax cost of debt Table 11-3 Excerpt from S&P Capital IQ Net Advantage Yield To 52-Week 2-Week Coupon Maturity Low High % % Price Price Maturity Date (MM/ S&P CUSIP Issue DD/YYYY) Callable Industry 49337WAC4 Nt 11/15/2030 Yes N/A Sales Price Current Yield Company Ticker N/A 8.00 4.57 N/A 0.00 138.075 5.79 KeySpan Corp. KeySpan Corp. KeySpan Corp. NA 49337WAH3 Nt 04/01/2030 Yes NA 5.88 4.35 NA 0.00 118.919 4.94 NA 49337WAJ9Nt 04/01/2035 Yes NA 5.80 4.32 NA 0.00 119.662 4.84