Does the following diagram illustrate a monopolistically competitive firm in a long-run equilibrium? If yes,explain why.If no,explain why not and redraw the diagram so that it is a long-run equilibrium.(Extra Credit: What forces move a monopolistically competitive industry to equilibrium?) 
Definitions:
Mental Set
A tendency to approach situations in a certain way due to past experiences or habits.
Foreign Language Course
An educational program designed to teach students a language that is not their native or primary language.
Cognitive Bias
A systematic error in thinking that affects judgments and decisions, often leading to deviations from standard rationality or good judgment.
Medical Treatment
The management and care of a patient to combat disease or disorder.
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