The following selected data were taken from the financial statements of Vidahill Inc. for December 31, 20Y7, 20Y6, and 20Y5:

		December 31
		20Y7		20Y6		20Y5
Total assets		$315,000		$284,000		$253,000
Notes payable (8% interest)		110,000		110,000		110,000
Common stock		44,000		44,000		44,000
Preferred 7% stock, $100 par		22,000		22,000		22,000
	(no change during year)
Retained earnings		123,745		88,365		66,000

The 20Y7 net income was $36,920, and the 20Y6 net income was $23,905. No dividends on common stock were declared between 20Y5 and 20Y7. Preferred dividends were declared and paid in full in 20Y6 and 20Y7.

a. Determine the return on total assets, the return on stockholders' equity, and the return on common stockholders equity for the years 20Y6 and 20Y7. Round percentages to one decimal place.

	20Y7		20Y6
Return on total assets	fill in the blank 1	%	fill in the blank 2	%
Return on stockholders equity	fill in the blank 3	%	fill in the blank 4	%
Return on common stockholders equity	fill in the blank 5	%	fill in the blank 6	%