true or false plz do them all, no need for explnation

True & False PART I 1. The predetermined overhead allocation rate is an estimated overhead cost per unit of the allocation base and is calculated at the beginning of the accounting period. 2. Activity-based costing focuses on a single predetermined overhead rate for cost analysis 3. The manager of a profit center is responsible for generating revenues and managing the center's invested capital 4. Performance evaluation systems provide top management with a framework for maintaining control over the entire organization. 5. ROI (Return on Investment) measures the profitability of an investment center, not efficiency 6. Centralized companies split their operations into different divisions, or operating units, and top management delegates decision making to the division/unit managers. 7. Opportunity cost means: benefit foregone by choosing an alternative course of action. 8. When considering whether to have a new roof installed on a building, the money spent previously on roof repairs to the old roof is information that is relevant to the business decision regardless of 9. A sunk cost is a cost that was incurred in the past and cannot be changed which future action is taken. 10. An operational asset used for a long period of time is known as a capital asset 11. Two methods of analyzing potential capital investments payback and accounting rate of return ignore the time value of money. 12. Net present value and internal rate of return consider the time value of money, so they are appropriate for longer-term capital investments 13. The fact that invested cash earns income over time is called the time value of money 14. When the internal rate of return is the same as the required rate of return, the net present value of an investment will be positive