Romney's 2010-11 estimate reveals he will pay $6.2 million to IRS in taxes, on a total of $45.2 million in income.
Returns also show significant contributions to charitable organizations including the Mormon church.
AND: Romney's 2010 tax return totals more than 203 pages.
See: 2010 tax rate comparison for Obama (26%), Gingrich (31.6%), Romney (13.9%).








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