3. Profitability ratios, trading on the equity. Digital Relay has both preferred and common stock outstanding. The company reported the following information for 20X7:

Net sales	$1,750,000
Interest expense	120,000
Income tax expense	80,000
Preferred dividends	25,000
Net income	130,000
Average assets	1,200,000
Average common stockholders' equity	500,000

1. Compute the profit margin on sales ratio, the return on equity and the return on assets, rounding calculations to two decimal places.
2. Does the firm have positive or negative financial leverage? Briefly explain.