Which of the following rights does a customer NOT have?

The notion of a customer's rights typically includes various protections and privileges that facilitate fair treatment and promote consumer confidence. The correct answer indicates an expectation that customers commonly do not have the right to free food.

In many transactions and commercial contexts, food is a product that typically requires payment unless specified by a promotion or specific circumstance (such as advertising a "free sample"). While customers might enjoy complimentary offerings in certain settings (like restaurants for promotional items, or during special events), these scenarios are not considered a universal right.

On the other hand, the other options represent rights or reasonable expectations in customer service and consumer protection scenarios. The right to a refund for unused services is a standard expectation in many industries, affirming that consumers should be reimbursed for services they did not utilize. Similarly, the right to free samples before purchase allows customers to assess a product without commitment, fostering informed purchasing decisions. The right to privacy in transactions is also a well-established consumer right, safeguarding personal information during purchases.

Thus, the lack of a generalized right to free food distinguishes it from the other options, which are more aligned with established consumer rights.