Question : If the quantity of good A required increases as the price of good B rises, then
A) A and B are substitutes.
B) A and B are complements.
Option 1: Only A correct
Option 2: Only B correct
Option 3: Both are correct
Option 4: None of the above.
Correct Answer: Only A correct
Solution :
The demand for good A will rise as the price of item B rises if the cross elasticity of demand is positive. This indicates that products A and B are substitute goods.
Hence option a is the correct answer.