Addai Company has provided the following comparative information:

	20Y8		20Y7		20Y6		20Y5		20Y4
Net income	$992,700		$855,800		$719,200		$614,700		$520,900
Interest expense	337,500		308,100		266,100		202,900		161,500
Income tax expense	317,664		239,624		201,376		159,822		125,016
Total assets (ending balance)	6,725,274		7,130,976		5,120,602		5,361,312		4,065,662
Total stockholders' equity (ending balance)	2,113,151		2,580,467		1,645,705		2,071,091		1,242,655
Average total assets	6,928,125		6,125,789		5,240,957		4,467,760		3,812,291
Average stockholders' equity	2,346,809		2,113,086		1,858,398		1,656,873		1,459,104

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:

	20Y420Y8
Return on total assets	18.9%
Return on stockholders equity	39.1%
Times interest earned	4.6
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	%
20Y7	%
20Y6	%
20Y5	%
20Y4	%

b. Return on stockholders equity:

20Y8	%
20Y7	%
20Y6	%
20Y5	%
20Y4	%

c. Times interest earned:

20Y8
20Y7
20Y6
20Y5
20Y4

d. Ratio of liabilities to stockholders' equity:

20Y8
20Y7
20Y6
20Y5
20Y4