Answer: Option (A) is correct.
Explanation:
It was given that consumer prefers Adidas to puma brand soccer cleats but he buys puma brand soccer cleats. This is only because of the price theory and rational consumer choice. We know that a rational consumer will choose a product with a lower price. Both puma and Adidas brand soccer cleats are substitutes, thus, if the price of puma cleats is lower than the Adidas cleats then he should prefer puma brand soccer cleats.