In September 2008, Google launched its Chrome web browser. The table gives the market percentage (%) share of various web browsers from September 2008 to June 2014. What conclusion can be drawn from the table about how the market concentration ratios changed between 2008 and 2014?
- A5-firm concentration ratio fell; 3-firm concentration ratio fell
- B5-firm concentration ratio fell; 3-firm concentration ratio rose
- C5-firm concentration ratio rose; 3-firm concentration ratio fell
- D5-firm concentration ratio rose; 3-firm concentration ratio rose