Addai Company has provided the following comparative information:

	20Y8		20Y7		20Y6		20Y5		20Y4
Net income	$1,253,700		$1,080,800		$908,200		$776,200		$657,800
Interest expense	426,300		389,100		336,000		256,100		203,900
Income tax expense	401,184		302,624		254,296		201,812		157,872
Total assets (ending balance)	8,202,816		8,681,606		6,241,236		6,519,790		4,944,174
Total stockholders' equity (ending balance)	2,588,354		3,149,404		2,009,546		2,520,130		1,512,078
Average total assets	8,442,211		7,461,421		6,380,513		5,433,158		4,632,796
Average stockholders' equity	2,868,879		2,579,475		2,264,838		2,016,104		1,773,046

You have been asked to evaluate the historical performance of the company over the last five years.

Selected industry ratios have remained relatively steady at the following levels for the last five years:

	20Y4―20Y8
Return on total assets	19.6%
Return on stockholders’ equity	40.5%
Times interest earned	4.6
The ratio of liabilities to stockholders' equity	2.1

Required:

1. Determine the following for the years 20Y4 through 20Y8. Round to one decimal place:

a. Return on total assets:

20Y8	fill in the blank 1%
20Y7	fill in the blank 2%
20Y6	fill in the blank 3%
20Y5	fill in the blank 4%
20Y4	fill in the blank 5%