Figure 21-4 in Each Case, the Budget Constraint Moves from BC-1 to BC-1

Multiple Choice

Figure 21-4
In each case, the budget constraint moves from BC-1 to BC-2.
-Refer to Figure 21-4. Which of the graphs in the figure could reflect a simultaneous increase in the price of good X and decrease in the price of good Y?

A) graph a
B) graph b
C) graph c
D) graph d