The Diagram Below Shows a Set of Budget Lines Facing

Multiple Choice

The diagram below shows a set of budget lines facing a household. FIGURE 6-8
-Refer to Figure 6-8.The movement of the budget line from ab to ef could be caused by

A) a decrease in real income.
B) an increase in money income.
C) an equal percentage increase in the price of both food and housing.
D) a decrease in the price of either food or housing.
E) an increase in the price of either food or housing.