Required information The following information applies to the questions displayed below.) In 2020, Elaine paid $2,160 of tuition and $900 for books for her dependent son to attend State University this past fallas a freshman Elaine files a joint return with her husband What is the maximum American opportunity tax credit that Elaine can claim for the tuition payment and books in each of the following alternative situations? (Leave no answer blank. Enter zero if applicable.) b. Elaine's AGU is $165,500. (Round your intermediate calculations to the nearest whole dollar amount.) American opportunity tax credit