Figure 21-15 on the Graph, Q_x Represents the Quantity of Good

Multiple Choice

Figure 21-15 On the graph, Q_x represents the quantity of good x and Q_y represents the quantity of good y. The lines drawn on the graph represent three of Barbara's indifference curves.
-Refer to Figure 21-15. Barbara is happier at

A) point B than at point A.
B) point B than at point C.
C) point C than at point D.
D) All of the above are correct.