A large software company has developed the most popular word processor on the market. Almost every consumer and business in the country uses its product, which has forced most of its competitors out of business. If a new company tries to promote an innovative word processor of its own, the large company usually buys that business right away to eliminate the competition. This situation best illustrates which market condition? A. Pure competition B. Monopolistic competition c. Monopoly O D. Oligopoly