The table is the actual results for the year. Round amounts to dollars and percentages to one decimal. Note that there are several cost centres, profit centres and investment centres in the actuals results. The Total column is the entire company managed by a chief executive officer while Plants, Departments (e.g., Dept 1 and 2) and specific period costs are managed by other managers given their assigned responsibilities. Within the Plants, there are two departments per Plant (e.g., Plant A has departments 1 and 2 and Plant B also has departments 1 and 2, separately managed). Period costs are allocated based on an activity-based accounting driver and are not separate cost centres within the Plants. The company manages with four investments centres, four profit centres and nine costs centres. The company has set goals for return on sales of 10%, return on investment of 10% and positive residual income using 10%. Questions: Briefly describe why responsibility centres are used including a major requirement that enhances usefulness and motivation to managers. (1 mark) For the appropriate responsibility centres, based on the actual results, calculate: (12 marks) Return on Investment Residual Income The Dupont returns (show Margin X Asset Turnover) Using the calculations in 2, are the centres you chose good or bad and why? (2 marks