The following are extracted from the financial statements of Frem, Inc., for 2022,2021 , and 2020. Required: a. Compute the following ratios for 2022 and 2021 . 1. Net profit margin 2. Total asset turnover 3. Return on assets 4. DuPont Analysis 5. Return on investment 6. Return on total equity 7. Return on common equity 8. Gross profit margin b. Discuss the trend in profitability and identify specific causes for the trend. The following are extracted from the financial statements of Frem, Inc., for 2022,2021 , and 2020. Required: a. Compute the following ratios for 2022 and 2021 . 1. Net profit margin 2. Total asset turnover 3. Return on assets 4. DuPont Analysis 5. Return on investment 6. Return on total equity 7. Return on common equity 8. Gross profit margin b. Discuss the trend in profitability and identify specific causes for the trend