<em>I believe the answer to your question is A. The opportunity cost of producing an additional 5 million pounds of food.</em>
Answer:
The correct answer is letter "A": Theory X.
Explanation:
American economist Douglas McGregor (1906-1964) in <em>Theory X and Theory Y</em> tried to define employees' motivation at work. Theory X implies managers having the idea workers do not like being at work so they have to be constantly motivated and supervised to accomplish their duties effectively.