Problem 6-20 (Algorithmic) Education Tax Credits (LO 6.5) Janie graduates from high school in 2017 and enrolls in college in the fall. Her parents (who file a joint return) pay $8,475 for her tuition and fees. If required, round your computations to the nearest whole value.

a. Assuming Janie's parents have AGI of $177,000, what is the American Opportunity tax credit they can claim for Janie? $

b. Assuming Janie's parents have AGI of $70,800, what is the American Opportunity tax credit they can claim for Janie? $