Supply and demand curves for a product are shown in the following figure. Suppose an artificially low price of $300 is imposed. Estimate the total gains from trade now, to the nearest 500 dollars. 
Definitions:
Proximity
The physical or psychological closeness between people, which can influence relationships and social interactions.
Similarity
The state of being alike or having attributes in common, often used to describe relationships or comparisons between objects, ideas, or individuals.
Physical Attractiveness
The degree to which a person's physical traits are considered aesthetically pleasing or beautiful to others.
Appealing Traits
Characteristics or qualities that are found attractive or desirable by others.
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