Selected financial information (in millions, except per-share information) is available for CIBC at October 31:

		2018		2017		2015
Dividends declared and paid to common shareholders		$2,356		$2,121		$1,879
Dividends declared per common share		$5.32		$5.08		$4.75
Dividends declared and paid to preferred shareholders		$89		$52		$38
Net income		$5,267		$4,699		$4,275
Common shareholders equity		$32,866		$29,440		$22,673
Market price per common share		$113.68		$113.56		$100.50
Weighted average number of common shares		443		413		395

(a) Calculate the (1) payout, (2) dividend yield, (3) basic earnings per share, and (4) return on common shareholders equity ratios for the common shareholders for 2018 and 2017. (Round basic earnings per share to 2 decimal places, e.g. 5.24. Round payout ratio, dividend yield and return on common shareholders' equity to 1 decimal place. e.g. 5.2%.)

				2018			2017
(1)		Payout ratio		enter percentages rounded to 1 decimal place	%		enter percentages rounded to 1 decimal place	%
(2)		Dividend yield		enter percentages rounded to 1 decimal place	%		enter percentages rounded to 1 decimal place	%
(3)		Basic earnings per share		$enter a dollar amount rounded to 2 decimal places			$enter a dollar amount rounded to 2 decimal places
(4)		Return on common shareholders' equity		enter percentages rounded to 1 decimal place	%		enter percentages rounded to 1 decimal place