If the soda industry has a 4 firm concentration ratio of 94%, and the publishing/novels industry has a 50% 4 firm concentration ratio, one would conclude the soda industry is most likely a industry, while the publishing/novels industry is most likely a industry.

1. Oligopoly

2. Monopolistic competition

Explanation:

Oligopoly is a state of limited competition, in which a market is shared by a small number of producers or sellers.

Monopoly is the exclusive possession or control of the supply of or trade in a commodity or service.

consumer credit. an advantage is that it allows consumers to afford expensive goods and services now, increasing their standard of living. however, a disadvantage is that it creates a trap for debt, if people do not have self control, they may see themselves filing personal bankruptcy.