Danielle Alston of Union City, Tennessee, center, talks on h [Getty Images]

UNITED STATES - AUGUST 25: Danielle Alston of Union City, Tennessee, center, talks on her cell phone outside the PricewaterhouseCoopers offices at 300 Madison Avenue in New York, Friday, August 25, 2006. Her mom, Beverly Alston, stands at left. PricewaterhouseCoopers LLP, the world's largest accounting firm, is being audited by the Internal Revenue Service for potential violations in reporting its own taxes, according to IRS and company documents. (Photo by Daniel Acker/Bloomberg via Getty Images)

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