In the wake of the Enron scandal, Arthur Andersen has effectively been removed as one of the Big Five, reducing the Big Five to the Big Four[?].
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... 33.6% from 25 to 44, 20.6% from 45 to 64, and 9.6% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 96.9 males. For every 100 ...