The following table shows the market shares of the leading firms in the mobile telecommunications market.
| Firm | Market share (%) |
|---|---|
| Vodatel | 28 |
| O-Two | 24 |
| EE-Lectric | 18 |
| Three-Mobile | 12 |
| Lyca-Net | 8 |
| Others (MVNOs) | 10 |
If Three-Mobile and Lyca-Net merge to form a single firm, what happens to the three-firm concentration ratio (CR3CR_3CR3) and the five-firm concentration ratio (CR5CR_5CR5)?
Falls / Rises
Rises / Rises
Falls / Falls
Rises / Falls