2009 2008 Summary of operations: Net sales Cost of products sold Selling, administrative, and general expenses Nonoperating income Interest expense Earnings before income taxes Provision for income taxes Net earnings Financial information: Working capital Average property, plant, and equipment Average total assets Average long-term debt Average stockholders' equity $1,002,100 520.500 170,200 9,192 14.620 287,588 116,473 171,115 $980.500 514.762 167,665 8.860 12.100 277,113 113,616 163,497 $ 190,400 302.500 839,000 120,000 406,000 S189,000 281.000 770,000 112,000 369,500 aply by taghreed bible Required a. Compute the following for 2009, 2008, and 2007: 1. Net profit margin 2. Return on assets 3. Total asset turnover 4. DuPont analysis 5. Return on investment 6. Return on total equity 7. Sales to fixed assets