In 2021, Laureen is currently single. She paid $2,460 of qualified tuition and related expenses for each of her twin daughters Sheri and Meri to attend State University as freshmen ($2,460 each for a total of $4,920). Sheri and Meri qualify as Laureen's dependents. Laureen also paid $1,780 for her son Ryan's (also Laureen's dependent) tuition and related expenses to attend his junior year at State University. Finally, Laureen paid $1,280 for herself to attend seminars at a community college to help her improve her job skills. What is the maximum amount of education credits Laureen can claim for these expenditures in each of the following alternative scenarios? (Leave no answer blank. Enter zero if applicable.) a. Laureen's AGI is $45,000. Description American opportunity tax credit Lifetime learning credit Credits