What kinds of products are advertised as high class?

The correct answer is the kind of products that are most expensive, unique in its kind and limited in its distribution.

Explanation:

To begin with, the high-class products are the ones that tend to be the most expensives due to the fact that they are sold as the company's best product that are supposed to be the ones with the best technology of the market and one of a kind. Moreover, these type of products are adverstised as high-class because they have a limited distribution and only the most wealthy people could afford to purchase them, as an example of being an unique product for an unique buyer.

the answer to this question would be shared investment