Ronstadt Drum Company earned $710 million last year and paid out 25 percent of earnings in dividends. a. By how much did the company's retained earnings increase? (Do not round intermediate calculations. Round the final answer to 1 decimal places. Enter the answer in millions. Omit $ sign in your response.) Addition to retained earnings $ million b. With 85 million shares outstanding and a share price of $40, what was the dividend yield? (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places. Omit $ sign in your response.) Dividend yield %