75 . Dorchester County has the following five banks in its market area Banks Total Assets First National Bank NA $1 50 0 millio Trillion Dorchester County Banks $750 million First State Bank $5010 million trillion Summerfield Bank $250 million Charlestown Bank $250 million All Banks $3 250 million Till Using this : information . what is the Hirfindah - Hirschman Index for this market area A 2017 B. 5000 C. 10.000 D. 3 . 187 000 E . None of the above