Fannie has quadrupled its earnings per share over the past decade yet still has a cloud hanging over it from Freddie Mac's accounting scandal.

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From 2003 to 2006, the Securities and Exchange Commission caught mortgage giants Fannie Mae and Freddie Mac violating hedge accounting to maximize their executives' compensation.

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There are nowhere near the number of native Mac business applications for higher end accounting, customer relationship management and Office as for a Windows environment.

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