Consumer A would pay $10 for a good whose market price is $5 and therefore enjoys a benefit of $5.Consumer B enjoys a benefit of $2,and Consumer C,who values the good at exactly the market price,enjoys no benefit.Consumer surplus,which measures the total benefit to all consumers,is the shaded area between the demand curve and the market price. Consumer A would pay $10 for a good whose market price is $5 and therefore enjoys a benefit of $5. Consumer B enjoys a benefit of $2, and Consumer C, who values the good at exactly the market price, enjoys no benefit. Consumer surplus, which measures the total benefit to all consumers, is the shaded area between the demand curve and the market price