Time left 0:19:21 If a business used an effective RESPONSIBILITY ACCOUNTING SYSTEM and wanted to measure the performance of a COST CENTRE unit manager, then which of the following should be included in the performance report? Select one: O a. The business would be best to use non-financial performance measures only O b. Only those costs for which the manager has CONTROL O c. All costs incurred in that period allocated to the unit O d. All costs attributable to that unit PLUS all costs allocated to that unit