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A sex-linked chromosomal abnormality that is characterized by a male having an extra X chromosome (XXY).A man with this disorder typically has undeveloped testes and develops enlarged breasts.
MR = MC
An economic principle stating that optimal production level is reached when marginal revenue equals marginal cost.
Marginal Cost
The cost required to produce a subsequent unit of a product or service.
Marginal Cost Curve
A graphical representation showing how the cost of producing one additional unit of a good changes as production volume changes.
Short-run Supply
The total quantity of goods or services that producers are willing and able to sell at a given price in a short period.
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