Margin. Turnover, Return on Investment Pelak Company had sales of $5,003,000, expenses of $4,566,000, and average operating assets of $3,920,000. Required: 1. Compute the operating income. 437,000 2. Compute the margin (as a percent) and turnover ratio. If required, round your answers to one decimal place. Margin 1.8 X % Turnover 1.27 X 3. Compute the ROI as a percent. Use the part 2 final answers in these calculations and round the final answer to two decimal places, 11.1 %