In recent years, with the continuous increase in the number of IT vendors, competition in the IT market has become increasingly fierce. For IT products, users must choose not only the product itself, but also the service; good service has become an important factor influencing user purchase decisions. Show: For high-tech products such as computers, users are willing to spend an additional 10% on the purchase of good-quality, homogeneous products. The point expressed in this text is:. ['The after-sales service of IT products is important.', 'IT products are very serviceable.', 'IT products are highly specialized and have high technical requirements.', 'Users are willing to spend more on IT products.']