Use the following to answer questions: 
-(Table: Lunch) Look at the figure Lunch. Joe makes and sells picnic lunches to people taking all-day rafting trips on the river. The marginal cost and average cost of each lunch are a constant $4. If Joe is a monopolist, what is producer surplus in the long run?
Definitions:
Self-Evaluation
The process of contemplation and assessment of one’s characteristics, actions, and qualities for the purpose of self-improvement or reflection.
Self-Reaction
The process by which individuals evaluate their own behavior and respond to personal successes or failures.
Skinner's Theory
A psychological theory developed by B.F. Skinner that emphasizes the role of reinforcement and punishment in shaping behavior through operant conditioning.
Radical Behaviorism
A theory in psychology that views behavior as the main subject of psychology and emphasizes the influence of the environment on observable behavior.
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