Can anyone help me solve or figure out the process to solve these using the rules provided?

Help on Financial Ratios - Income Statement Most of the financial ratios taken from an income statement measure profitability (a company's ability to generate an adequate return on invested capital). Profit margin = Net income / Net sales Gross Margin Ratio = (Net sales - Cost of goods sold) / Net sales Return on Total Assets = Net income / Average total assets Return on Common Stockholders' Equity = (Net income - Preferred Dividends) Average Common Stockholders' Equity Price Earnings Ratio = Market price per common share / Earnings per common share Income Statement Supplemental Information Sales Cost of Goods Sold $510,000.00 340,000.00 Earnings Per Share: Net Income / Common Shares Outstanding = Earnings Per Share $91,500.00 / 100,000 = $0.92 Gross Profit from Sales $170,000.00 20,000.00 22,000.00 10,000.00 Operating Expenses: Salaries Expense Advertising Expense Insurance Expense Supplies Expense Depreciation Expense Banking Expense Miscellaneous Expense Average Total Assets: (Beginning Total Assets + Ending Total Assets)/2 = Average Total Assets ($300,000.00 + $300,000.00) / 2 = $300,000.00 600.00 1,000.00 Average Common Stockholders' Equity: (Beginning Common Stockholders' Equity + Ending Common Stockholders' Equity)/2 = Average Common Stockholders' Equity ($180,000.00 + $170,000.00) / 2 = $175,000.00 Total Operating Expenses $ 75, 600.00 $94,400.00 Income From Operations Plus Interest Earned Less Interest Expense Book Value Per Share of Common Stock: Common Stockholders' Equity / Common Shares Outstanding $170,000.00 / 100,000 = $1.70 1,500.00 600.00 900.00 Market Price per Share of Common Stock: $36.00 Income Before Taxes Income Taxes $93,500.00 2,000.00 Preferred Stock has not been issued. Net Income $91,500.00 ========== Profit Margin: Gross Margin Ratio: Return on Assets: Return on Common Price Earnings Stockholders' Equity: Ratio: Verify Answers Next Stateme