Exhibit 5-4 ​

Multiple Choice

Exhibit 5-4
​
-Refer to Exhibit 5-4. A movement from D₁ to D₂ could occur if:

A) ​there is a decrease in the income of consumers and submarine sandwiches are inferior goods.
B) ​there is an increase in the income of consumers and submarine sandwiches are inferior goods.
C) ​the wages of submarine sandwich makers decrease
D) ​the price of bread, used to make submarine sandwiches, increases