1. The earned income credit:
A. Must be calculated on earned income as well as adjusted gross income in some cases.
B. Is available to married taxpayers who file separate returns.
C. Is available only if the taxpayer has qualifying children.
D. Can not exceed the amount of the tax liability.
2. Keith has a 2015 tax liability of $2,250 before taking into account his American Opportunity tax credit. He paid $2,600 in qualifying expenses, was a full-time student, was not claimed as a dependent on his parents' return, and his American Opportunity tax credit was not subject to phase-out. What is the amount of his American Opportunity tax credit allowed?
$4,000
$2,600
$2,250
$2,150
$0