Answer:
The correct answer is D
Explanation:
Management by objectives through Peter Drucker, states that the it is an approach of performance management, in which the balance is sought among the objectives of the business and the objectives of the employees.
In short, it is to determine or measure the joint objectives or goals and to provide the feedback on the results.
So, the it states that the managers could not motivate people, they could only encourage or inspire or discourage the person personal motivation.