uantity of the product supplied Which of the following is the correct definition of demand curve? O A. the quantity of a good or a service that a consumer is willing to purchase at a particular price B. a curve that shows the relationship between the price of a product and the quantity of the product demanded C. a table that shows the relationship between the price of a product and the quantity of the product demanded D. the demand for a product by all the consumers in a given geographic area