Suppose There Are Five Firms in the Disposable Diaper Market

Suppose there are five firms in the disposable diaper market. Hug-Me's share is 30 percent. Plumper's share is 30 percent. Drippy's share is 20 percent. Kool Kid's share is 10 percent. Nappomatic's share is 10 percent. The Herfindahl-Hirschman Index in this industry is

A) 100.
B) 900.
C) 1,350.
D) 2,400.