Market shares of chocolate makers are Firm Market share (percent) Truffles, Inc. 25 Magic, Inc. ..

Question:

Market shares of chocolate makers are
Firm Market share (percent)
Truffles, Inc. ……………………………… 25
Magic, Inc. ……………………………….. 20
Mayfair, Inc. ……………………………… 15
All Natural, Inc. ………………………….. 15
Gold, Inc. ………………………………… 15
Bond, Inc. ………………………………. 10
Calculate the Herfindahl-Hirschman Index. What is the structure of the chocolate industry?