Multiple Choice
Suppose that when the price of hamburgers decreases, the Li family increases their purchases of ketchup.To the Li family
A) hamburgers and ketchup are complements.
B) hamburgers and ketchup and substitutes.
C) hamburgers and ketchup are normal goods.
D) hamburgers are normal goods and hot dogs are inferior goods.
Correct Answer:

Verified
Correct Answer:
Verified
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