Answer:
2. Competitive rivalry is strongest between firms that are within the same strategic group.
Explanation:
Now, the new company is in the same strategic group (grand companies) than Pacifico and West Winds thus, they feel threatened by them. Before they were small firm so it wasn't profitable to make competitionagainst a small portion of the market. As tehe cut of the new company is bigger enough to justify this, these company's start to go into the market share of Tropical Sunset.