Answer:
Encourage Challenge
Step-by-step explanation:
Herfindahl index is used to measure market concentration. The index is calculated by taking sum of square of each company market share. The index less than 1500 suggests competitive market place, between 1500 to 2500 moderately competitive market place and above 2500 is highly concentrated market place.
The Herfindahl Index for Sunglasses market is :
40^2 + 35^2 + 15^2 + 5^2 + 3^2 + 2^2
= 3088
The HHI index proposes that the market of sunglasses is highly concentrated. The FTC would not encourage Challenge a merger between UV shield and Tinted Windows.