Radon Homes' current EPS is $6.90. It was $4.55$ years ago. The company pays out 30% of its earnings as dividends, and the stock sells for $37. a. Calculate the historical growth rate in earnings. (Hint: This is a S-year growth period.) Do not round intermediate calculations. Round your answer to two decimal places. % b. Calculate the next expected dividend per sharo, D1. (Hint: D0=0.30($6.90)$2.07.) 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, rs ? Do not round intermediate calculations, Round your answer to two decimal places