Margin, Turnover, Return on Investment Pelak Company had sales of $4,945,000, expenses of $4,402,000, and average operating assets of $4,840,000. Required: 1. Compute the operating income. 543,000 2. Compute the margin (as a percent) and turnover ratio. If required, round your answers to one decimal place. Margin 9.1 X % Turnover 1.0 two decimal places. 3. Compute the ROI as a percent. Use the part 2 final answers in these calculations and round the final answer 9.1 X %