The Market Demand Curve for a Good Is Found by

The market demand curve for a good is found by

A) adding up the quantities demanded by all consumers at different prices of that good
B) adding up the quantities demanded by all consumers at different incomes
C) adding up the maximum price each consumer is willing to pay for each possible quantity of the good
D) varying consumers' total income and determining what prices they are willing to pay
E) vertically summing the individual consumers' demand curves