The following information is for Ina Company:

2003

2002

2,001

Total assets

$200,000

$160,000

180,000

Total liabilities .

90,000

80,000

100,000

Stockholders equity

110,000

80,000

80,000

Sales

800,000

600,000

600,000

Net income

40,000

20,000

10,000

For the years 2001, 2002, and 2003, compute:

1. Return on equity

2. Profit margin

3. Asset turnover

4. Assets to equity ratio