Polycom Systems earned $556 million last year and paid out 26 percent of earnings in dividends a. By how much did the company's retained earnings increase? (Do not round intermediate calculations. Input your answer in dollars, not millions (e.g., $1, 234,000).) b. with 100 million shares outstanding and a stock price of $118, what was the dividend yield? (Do not round intermediate calculations, Input your answer as a percent rounded to 2 decimal places.)