Using the income statement for Times Mirror and Glass Co., compute the following ratios: a. Compute the interest coverage ratio. (Round your answer to 2 decimal places.) b. Compute the fixed charge coverage ratio. (Round your answer to 2 decimal places.) The total assets for this company equal $189,000. Set up the equation for the Du Pont system of ratio analysis. c. Compute the profit margin ratio. (input your answer as a percent rounded to 2 decimal places.) d. Compute the total asset turnover ratio. (Round your answer to 2 decimal places.) e. Compute the return on assets (investment). (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.)