eBookeBookeBookeBook SpreadsheetSpreadsheetSpreadsheetSpreadsheet Exercise 12-20 Margin, Turnover, Return on InvestmentYou may use the attached spreadsheet to help you complete this activity, but you are not required to do so. You will find the spreadsheet by clicking on the link in the drop-down menu above.Pelak Company had sales of $30,000,000, expenses of $27,600,000, and average operating assets of $6,000,000.1.  Compute the operating income.$     _________________  2.  Compute the margin (as a percent) and turnover ratio.Margin :  _________________   %Turnover :  _________________  3.  Compute the ROI as a percent.  _________________   %