The Bouchard Company's EPs was $6.50 in 2021, up from $4.42 in 2016. The company pays out 30% of its earnings as dividends, and its common stock sells for $34.00. a. Calculate the past growth rate in earnings. (Hint: This is a 5-year growth period.) Round your answer to two decimal places. % b. The last dividend was Do = 0.30($6.50) - $1.95. Calculate the next expected dividend, Di, assuming that the past growth rate continues. Do not round Intermediate calculations. Round your answer to the nearest cent, $ c. What is Bouchard's cost of retained earnings, r? Do not round Intermediate calculations. Round your answer to two decimal places, %