The health care legislation recently passed by Congress and signed by the President, the Patient Protection and Affordable Care Act, imposes an additional Medicare tax of 3.8% on “net investment income” or the excess of modified adjusted gross income over a “threshold amount”. The “threshold amount” is $250,000 for married taxpayers and $125,000 for single taxpayers. (It is $200,000 for other taxpayers – trusts, for example).

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