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Definitions:
Coffee
A beverage made from roasted and ground coffee beans, which are the seeds of berries from certain Coffea species, known for its stimulating effect due to caffeine content.
Price Elastic
Descriptive of a product's demand sensitivity to changes in its price; high elasticity indicates demand significantly varies with price.
Advertising
The activity or profession of producing advertisements for commercial products or services.
Elastic Demand
A situation where the quantity demanded of a good or service significantly changes in response to a change in price.
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