疑问：例题Exampe:Fundamental P/E ratio Comparison

Holt Industries makes decoratie items... (A comparison between Holt and Industry average.)

Second item in Answers:
Higer growth in sales suggests that Holt will be able to increase dividends at a faster rate, which supports Holt having a higher P/E ratio than the industry.

为什么高销售额就一定会增长dividends at a faster rate? 其实有两点疑问：
1. Dividends 的Increase 与否在于Earnings 不在与sales, Margin低 Earnings照样不达标
2. 就算Earnings 达标了 比同行业的高，也不一定会转嫁到Dividends上, 还要看保留率

感觉例题有点主观臆断，待求高手解释。