Margin, Turnover, Return on Investment Pelak Company had sales of $4,800,000, expenses of $4,648,000, operating assets of $3,690.000 Required: 1. Compute the operating income. 2. Compute the margin (as a percent) and turnover ratio. If required, round your answers to one decimal place. % Margin Turnover 3. Compute the ROI as a percent. Use the part 2 final ans culations and round the final answer to two decimal places