Warren Company has two divisions with the following results: Sales revenue Divisional expenses Segment income Average invested assets Ashland Erie $ 451,000 $1,210,000 $ 271,000 $ 851,000 $ 180,000 $ 351,000 $1,210,000 $4,010,000 Warren Company has a hurdle rate of 12.1%. a. Calculate the return on investment for each division. (Round your answers to 2 decimal places.) Return on investment % Ashland Erie % b. Break each division's return on investment down into its component parts using the DuPont method. (Round your profit margin to 2 decimal places and Investment turnover to 3 decimal places.) Profit Investment Turnover margin Ashland % Erie % c. Calculate the residual income for each division. (Negative amounts should be indicated by a minus slgn.) Residual Income Ashland Erie