Tying sales is a market practice designed to increase sales volume. A "tying sales" situation is said to occur when what happens

customer is required to buy one product only if the customer also buys a second product

Explanation:

Tying sales is a market practice designed to increase sales volume. A "tying sales" situation is said to occur when a customer is required to buy one product only if the customer also buys a second product.

Tying sales is simply defined as a scenario whereby the purchase of a good or service is compulsory when one buys a different good or service. This meane the individual helps us buying two products.

answer; refusing to share information without the client's permission

24 years, i believe is the correct answer.