Critical Reasoning (CR) | Re: Which of the following best completes the passage below?

I am not very clear with the option C, though I picked B as the correct answer. Can someone help me in explaining me why option C is wrong?

Edit : My understanding for option C, purchasers of premium products are concerned with the quality as well as with the price of the products
PURCHASERS OF PREMIUM PRODUCTS (PURCHASERS WHO WANT TO BE ASSOCIATED WITH SOMETHING SPECIAL) ARE CONCERNED WITH -
a. quality of the products - as per my understanding, the quality of those products should be excellent/outstanding,
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