Exhibit 5-4 ​

question 109

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