Exercise 12-17 (Algorithmic) (LO. 2) Compute the 2021 AMT exemption for the following taxpayers. If an amount is zero, enter "0". Click here to access the exemption table. a. Bristol, who is single, has AMTI of $657,800. Her AMT exemption is $ 58,350 X. b. Marley and Naila are married and file a joint tax return. Their AMTI is $1,228,400. Their AMT exemption is $ 52,500 X. Feedback Check My Work In theory, all individual taxpayers subject to the Federal income tax are subject to AMT. Whether a taxpayer has an AMT liability depends on a number of factors, including the taxpayer's income, family situation as well as the exclusions, deductions, and credits utilized in the calculation of their regular Federal income tax liability. The AMT exemption amounts are phased out when AMTI exceeds certain threshold amounts.