Bob is a graduate student at State University. Additionally, Bob has two children, Jonathon, and Abigail. Abigail is a junior at Northwest University, while Jonathon graduated a couple of years ago. During the year 2020, Jonathon paid $10,000 in student loan repayments, composed of $3,500 in interest and $6,500 in principal payments.

While Abigail is a full-time students, Bob is only taking one course. Bobs expenses during the 2020 fall semester are as follows: $2,400 tuition, $250 books and course materials, and $1,600 room and board. Abigails expenses for the 2020 calendar year are as follows: $10,200 tuition, $1,200 books and course materials, and $3,600 room and board. Tuition and the applicable room and board costs are paid at the beginning of each semester. Assume that Jonathon is not a dependent of Bob, and that Bob files married filing joint.

a. What is the student loan interest deduction that Jonathon can take (assume that Jonathon has an AGI of $55,000)?

b. Assuming an AGI of $85,000, compute that amount of the American Opportunity Credit that Bob can take.

c. Assuming an AGI of $139,000, compute the amount of the Lifetime Learning Credit that Bob can take.