Question 4 of 7 > - / 14.5 = Liles Division Marston Division Outland Division Net operating income $146,568 $32,007 $252,492 Sales revenue 591,000 141,000 1.191.000 Average operating assets 1,172,544 320,070 1,578,075 (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