The San Pedro Products, Inc. 2018 and 2017 comparative income statement is below. In information from 2016 is also given just below the comparative income statement (beca some of it). San Antonio Products, Inc. Comparative Income Statement For the Years Ended December 31, 2018 and 2017 8TOZ 2017 2016 Net Sales 187,000 161.000 Cost of Goods Sold 93,500 90,000 Selling and General Expenses 47,500 41.000 Interest Expense 12,000 12,500 Income Tax Expense 11.000 8.500 Net Income 23,000 9,000 Additional Information: Total Assets 209,000 184,000 Common Stockholders' Equity 95,000 83,500 Common Stock Dividends 14,000 10,000 Preferred Stock Dividends 3,500 3,500 Common Stock Shares Outstanding During Year 30,000 30,000 Requirements: (round calculations) 1. Calculate the profit margin ratio for 2018 and 2017\\* What is the formula? 2018 12.3% work area: 23,000 / 187,000 2017 _8. work area : 2. Calculate the rate of return on total assets for 2018 and 2017. What is the formula? 2018 work area: 2017 11.8% work area: (9,000 + 12,500) /(180,000 +184,0 3. Calculate the rate of return on common stockholders' equity for 2018 and 2017. What is the formula? 2018 21.8% work area: 2017 _9., work area: 4. Calculate the earnings per share for 2018 and 2017. What is the formula? (65 cents) 2018 .65 work area: (23,000 -3,500)/30,000 )2017 10. work area: need 2016 # s