Exhibit 5.7 -Refer to Exhibit 5.7,which Shows Four Demand Curves.The Demand Curve

Multiple Choice

Exhibit 5.7

-Refer to Exhibit 5.7,which shows four demand curves.The demand curve that best illustrates how consumers will respond to a change in price over the long run is _____

A) curve D(1) .
B) curve D(2) .
C) curve D(4) .
D) curve D(3) .
E) curve D(1) or curve D(4) .