Figure 21-23 -Refer to Figure 21-23. When the Price of X Is

Multiple Choice

Figure 21-23
-Refer to Figure 21-23. When the price of X is $80, the price of Y is $20, and the consumer's income is $160, the consumer's optimal choice is D. Then the price of X decreases to $20. The substitution effect can be illustrated as the movement from

A) D to E.
B) D to C.
C) C to E.
D) E to D.