The total market value of the common stock of the Okefenokee Real Estate Company is $11.5 million, and the total value of its debt is $7.5 million. The treasurer estimates that the beta of the stock is currently 1.8 and that the expected risk premium on the market is 7% The Treasury bill rate is 3%. Assume for simplicity that Okefenokee debt is risk free and the company does not pay tax a. What is the required return on Okefenokee stock? (Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) b. Estimate the company cost of capital (Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) c. What is the discount rate for an expansion of the company's present business? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) d. Suppose the company wants to diversity into the manufacture of rose-colored spectacles. The beta of unleveraged optical manufacturers is 1.05. Estimate the required return on Okefenokee's new venture. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) % % Required return b. Cost of capital 0. Discount rate d. Required return %