Resilon, Inc., reported the following results for last year. Net operating income Sales revenue Average operating assets Liles Division Marston Division Outland Division $120,000 $45,000 $300,000 600,000 150,000 1,200,000 1,000,000 300,000 1,500,000 (a) Calculate margin for each division. (Round answers to 1 decimal place, e.g. 5.1%.) Margin Liles % Marston % Outland % Which division generates the highest margin? (b) Calculate ROI for each division. (Round answers to 1 decimal place, e.g. 5.1%.) Return on Investment Liles % % Marston Outland % If the divisions are evaluated based on return on investment, which division is doing the best job