A. substitutes
B. complements
C. inferior goods
D. bought goods
Correct Answer: Option A
A. substitutes
Explanation
Substitute goods or substitutes are at least two products that could be used for the same purpose by the same consumers. If the price of one of the products rises or falls, then demand for substitute goods or substitute goods (if there is just one other) is likely to increase or decline. Substitute goods or substitutes are at least two products that could be used for the same purpose by the same consumers. If the price of one of the products rises or falls, then demand for substitute goods or substitute goods (if there is just one other) is likely to increase or decline.