This answer is from Have the AMT levels changed with the new stimulus package?
Ari Weinberg said
Great post from our friend TheFinanceBuff here - http://thefinancebuff.com/2009/03/2009-amt-tax-brackets.html. The Buff has been on top of the AMT topic and breaking down the tax rates paid at certain tax levels. Make sure to read his back commentary on how he works out the rates.


