Marx described the as creating income "from nothing - without creating a product or service to sell in exchange for wealth

The answer is finance aristocracy. It is because finance aristocracy is a way of having to get an income out of nothing, it is a way of having to earn something without the use of goods or anything in exchange. It is mostly used by of higher ruling class in order to attain wealth.

im almost done gimme more time to get the answer

answer; (a) calling people who have not shown interest in the product and asking them to buy it;