The following financial information is available for Flint Corporation.

(in millions)		2017		2016
Average common stockholders equity		$2,825		$2,925
Dividends declared for common stockholders		335		630
Dividends declared for preferred stockholders		45		45
Net income		605		685

Calculate the payout ratio and return on common stockholders equity ratio for 2017 and 2016. (Round answers to 1 decimal place, e.g. 12.5%)