Figure 22 Demand Curve and Consumer Surplus

1
Figure 2-2Demand Curve and Consumer Surplus
P
12
Consumer willingness to pay (value of benefits)
A
Consumer surplus
10
Willingness to pay to buy 7 units at  8
Marketprice
B
C
Willingness to pay for the 7th unit
8
D
E
F
Consumer spending
6
G
H
I
Demand curve
0
X
6
7
9
Purchase