Question 29 3 points Andy and Helen are married and have two children, Barney and Warren, who are currently enrolled at the University of Alabama, Barney is in his first year of undergraduate study Warren is a graduate student and in his 5th year of college. Andy and Helen paid $6,000 for tuition and fees for each of their children this year. The MF) couple's AG is $140,000, How much can Andy and Helen claim for the American Opportunity Credit (AC? Recall that the AOC is phased out for ME taxpayers with AGI between $160,000 and $180,000. 55.000 56.000 $12.000 12.500