Exhibit 1A-10 represents a three-variable relationship. As the annual income of consumers rises from $20,000 (line A)to $40,000 (line B), the result is a: a. rightward movement along each curve. b. leftward movement along each curve
c. leftward shift from curve B to curve A.
d. rightward shift from curve A to curve B
c. leftward shift from curve B to curve A. d. rightward shift from curve A to curve B