Problem 7-19 Education Tax Credits (LO 7.5) Janie graduates from high school in 2020 and enrolls in college in the fall. Her parents who file a joint return) pay $4,000 for her tuition and fees. a. Assuming Janie's parents have AGI of $172,000, what is the American Opportunity tax credit they can claim for Janie? $ b. Assuming Janie's parents have AGI of $75,000, what is the American Opportunity tax credit they can claim for Janie? $