Answer:
C. I prefer Nike shoes while my friend prefers Puma shoes.
Explanation:
Features that make one product appear different from competing products in the same market.
The example in the given question that represents product differentiation is C) I prefer Nike shoes while my friend prefer Puma shoes.
It is so because as per the definition of product differentiation products must be in the same market so both puma and Nike are in same market of shoes and have competing products.
