Groundhog Corporation has gathered the following information for the current year: $40,000 5,150 15,250 4,500 Net income Interest expense Income tax expense Preferred dividends Current assets Current liabilities Plant and equipment Long-term liabilities Beginning of Year $ 70,000 45,000 400,000 125,000 Common shareholders' equity 225,000 Preferred shareholders' equity 75,000 End of Year $ 90,000 36,000 435,000 85,000 324,000 75,000 Required 1. Calculate the return on assets. 2. Calculate the return on equity. 3. Comment on how these measures are used.