Required information IThe following information applies to the questions displayed below. In 2018, Elaine paid $2,160 of tuition and $900 for books for her dependent son to attend State University this past fall as a freshman. Elaine files a joint return with her husband. is the maximum American opportunity credit that Elaine can claim for the tuition payment and books in each of the following alternative situations? b. Elaine's AGl is $165,500. (Round your intermediate calculations to the nearest whole dollar amount.) American opportunity credit