Radon Homes' current EPS is $7.70. It was $3.525 years ago. The company pays out 30% of its earnings as dividends, and the stock sells for $32. a. Calculate the historical growth rate in earnings. (Hint: This is a 5-year growth period.) Do not round intermediate calculations. Round your answer to two decimal places. % b. Calculate the next expected dividend per share, D1. (Hint: D0=0.30($7.70)=$2.31.) Assume that the past growth rate will continue. Do not round intermediate calculations. Round your answer to the nearest cent. \$ c. What is Radon's cost of equity, r s? Do not round intermediate calculations. Round your answer to two decimal places. %