Figure 65 Manuri Has $300 to Spend on Pilates Classes

Multiple Choice

Figure 6.5 Manuri has $300 to spend on Pilates classes and Yoga classes.The price of a group Pilates class is $20 and the price of a group Yoga class is $10.Manuri's optimal bundle is given by 'A' in Figure 6-5.
-Refer to Figure 6.5.Suppose the price of Pilates sessions rises to $30 while income and the price of Yoga sessions remain unchanged.The substitution effect of this price change is represented by the movement from

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