Measuring Consumer Surplus with the demand curve Price of Album $100 Johns willingness to pay 80 Pauls willingness to pay 70 George's willingness to pay pay Ringos willingness to pay 50 Demand 0 2 4 Q quantity of AlbumsPrice of Album 50 70 80 0 $100 1 2 3 4 Quantity of Albums John’s willingness to pay Paul’s willingness to pay George’s willingness to pay Ringo’s willingness to pay Demand Measuring Consumer Surplus with the Demand Curve