Figure 2-8 40 36 32 PRICE (Dollars per pound) 2 4 6 8 10 12 14 16 18 20 QUANTITY (Dozens of pounds of grapes) Refer to Figure 2-8. The movement from point A to point B is a shift of the demand curve. an indication of a change in preferences for grapes. OOOO a movement along the demand curve. an indication of an increase in income