Which Is the Most Accurate Statement

Multiple Choice

Which is the most accurate statement?

A) A concentration ratio of 100 would mean that just one firm has 100% of that industry's sales.
B) No industry in the U.S.has a concentration ratio of 100.
C) Food services like McDonald's and Wendy's have a concentration ratio of less than 50.
D) The lower the concentration ratio,the higher the degree of oligopolization.