Becky, a college freshman, works part-time and pays $1,650 of her college tuition expenses. Although Becky files her own tax return, her parents claim her as a dependent on their tax return. Becky's parents file jointly and have AGI of $50,000. What is the amount of American Opportunity credit her parents can claim on their tax return for the tuition Becky paid? a. $1,650 b. $1,600 C. $495 d. $0 e. None of these choices are correct.