Final answer:
c) Ignore customer feedback
Ignoring customer feedback is NOT one of the steps to ensure postpurchase satisfaction.
Step-by-step explanation:
Out of the provided options (a) Build realistic expectations, b) Demonstrate correct product use, c) Ignore customer feedback, and d) Stand behind the product or service), the step that is NOT one of the steps to ensure postpurchase satisfaction is c) Ignore customer feedback. Ignoring customer feedback can lead to dissatisfaction and negative customer experiences. It is important for marketers to listen to and address customer feedback to improve their products or services and enhance customer satisfaction.