Business has been good for Keystone Control Systems, as indicated by the ten-year growth in earnings per share. The earnings have grown from $1.00 to $4.56. a. Determine the compound annual rate of growth in earnings (n=10). (Do not round intermediate calculations, Input your answer as a percent rounded to 2 decimal places.) b. Based on the growth rate determined in part a, project earnings for next year ( E1). (Do not round intermediate calculations, Round your answer to 2 decimal places.) c. Assume the dividend payout ratio is 50 percent. Compute D1. (Do not round intermediate calculations. Round your answer to 2 decimal places.) d. The current price of the stock is \$21. Using the growth rate (g) from part a and (D1) from part c, compute Ke (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) e. If the flotation cost is $2.00, compute the cost of new common stock (Kr) using growth rate (g) from part a and dividend (D1) from part c. (Do not round intermediate calculations, Input your answer as a percent rounded to 2 decimal places.)