The total market value of the common stock of the Okefenokee Real Estate Company is $$11\mathrm{.}5$ million, and the total value of its debt is $$7\mathrm{.}3$ million. The treasurer estimates that the beta of the stock is currently $1\mathrm{.}2$ and that the expected risk premium on the market is $9\%.$ The Treasury bill rate is $3\%.$ Assume for simplicity that Okefenokee debt is risk$-$free and the company does not pay tax.

What is the required return on Okefenokee stock?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

Estimate the company cost of capital.

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

What is the discount rate for an expansion of the company's present business?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

Suppose the company wants to diversify into the manufacture of rose$-$colored spectacles. The beta of unleveraged optical manufacturers is $1\mathrm{.}00.$ Estimate the required return on Okefenokee's new venture.

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.