Answer: They typically focus efforts on low priority tasks.
Explanation:
1. Incentive and reward system helps the managers to regulate performance of subordinates in an effective and reasonable manner.
2. Reward and incentive system might result in unethical competition inside the organisation.
3. Reward and incentive system is implemented by the organisation for completion of tasks that are of high priority.
4. Performance based incentive and pay motivate more effective individuals to work harder and team based incentive brings collective performance attitude in the organisation.
Thus, right answer is statement 3.