is a strategy in which the salesperson provides customers with the opportunity to purchase related products or services of greater value in place of, or along with, the consumer's initial product or service selection.

Up selling

Explanation:

Up selling is a sales strategy. It is an attempt at making more sales using persuasion. It is different from cross-selling in that the customer is not asked to purchase a new item but only purchase a more expensive product or even simply an add-on to the already bought product he/she has.

While it is allowed in terms of ethical consideration to persuade the customer to purchase through up selling, it however becomes unethical when the sales person starts to push the sale. What is meant by pushing the sales refer to the use of half truth or falsehood to literally trick the customer into getting the product. This is an ethical issue and be tried in a capable court of law

answer; /// the use of a bank credit card to make purchase;