Use the following information to find dividends paid to common stockholders during 2015. (Input all amounts as positive values. Enter your answers in millions.)

					2015
Balance of retained earnings, December 31, 2014				$	488	m
Plus: Net income for 2015					30	m
Less: Cash dividends paid
Preferred stock	$	2	m
Common stock			m
Total cash dividends paid						m
Balance of retained earnings, December 31, 2015				$	502	m