Exhibit 1A-9  Multi-Curve Graph Exhibit 1A-9 Represents a Three-Variable Relationship

Multiple Choice

Exhibit 1A-9  Multi-curve graph Exhibit 1A-9 represents a three-variable relationship. As the annual income of consumers falls from $50,000 (line A) to $30,000 (line B) , the result is a(n) :

A) rightward movement along each curve.
B) leftward movement along each curve.
C) leftward shift in curve A to curve B.
D) rightward shift in curve A to curve B.