Use the following to answer question: 
-(Table: Total Product and Marginal Product) Use Table: Total Product and Marginal Product.The marginal product of the fourth worker is _____ units per period.
Definitions:
Parents
The caregivers of a child who are responsible for the child's upbringing, education, and welfare, typically consisting of a mother and a father.
Peers
Individuals who are equals within a specific context, such as age, rank, or status.
Particular Situations
Specific circumstances or contexts that can influence behavior, decisions, or outcomes in a unique way.
Humanist Psychologists
Psychologists who emphasize individual potential for growth and the concept of free will, focusing on the study of the whole person.
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