Industry a Has Market Shares of 50,30,and 20 $\Sigma$ (S_i²),where S_i Is the Market Shares of the I-Th Firm

Industry A has market shares of 50,30,and 20.Industry B has market shares of 45,40,and 15.Hint: HHI = $\Sigma$ (s_i²) ,where s_i is the market shares of the i-th firm in the industry.

A) The Herfindahl index for A is 100.
B) The Herfindahl index for A is 3,800.
C) The Herfindahl index for B is 3,600
D) The Herfindahl index for A is greater than for B.
E) The Herfindahl index is for B is 4,000.