What is the term for the relationship between printer and paper?

An instance where sellers should work to keep relationships with customers is when they instance where selllars should work to keep relationships with customers is when they feel that the product

Choose a well-known company that you know of, and describe its direct and indirect competitors. choose a well-known company that you know of, and describe its direct and indirect competitors. describe at least three direct competitors and three indirect competitors. at least three direct competitors and three indirect competitors.

What criteria does a company have to meet to be considered a monopoly?