This question is based on the following table, which provides information on the production of a product that requires one variable input. 
There are negative marginal returns when the
Definitions:
Self-Service Technology
Technology that enables customers to produce services independently without direct service employee involvement, enhancing convenience and speed for the consumer.
Perceived
Refers to how individuals interpret or understand something, often based on their sensations, thoughts, or experiences rather than objective reality.
Graduated
Pertains to having completed a course of study, typically in the context of completing a degree or educational level.
Ceremony
A formal event or occasion, typically one celebrating a particular achievement or anniversary.
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