Hello, I am currently having trouble solving parts C), D), and E) . The following focus on computing ratios, and the problem as well as parts A) and B) that are already solved are attached below. Thank you for your time and help.

Using the income statement for Times Mirror and Glass Co., compute the following ratios: TIMES MIRROR AND GLASS COMPANY Sales Cost of goods sold Gross profit Selling and administrative expense Lease expense Operating profit* Interest expense Earnings before taxes Taxes (30%) Earnings after taxes "Equals income before interest and taxes. $ 281,000 169,000 $ 112,000 44,800 17,500 $ 49,700 8,100 $ 41,600 16,640 $ 24,960 a. Compute the interest coverage ratio. (Round your answer to 2 decimal places.) Answer is complete and correct. Interest coverage 6.14 times b. Compute the fixed charge coverage ratio. (Round your answer to 2 decimal places.) Answer is complete and correct. Fixed charge coverage 2.63 times The total assets for this company equal $211,000. 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.) Profit margin d. Compute the total asset turnover ratio (Round your answer to 2 decimal places.) Totale turnover times e. Compute the return on assets (investment) (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Return on as 9