Chester and Gabby are married and file a joint tax retum with a 2020 adjusted gross income of $172,000. They have a 19-year-old dependent son, JR, who is in his second year of college and enrolled full time. Gabby also recently started going to college. Gabby is in her first year of undergraduate education, enrolled more than half time. During 2020, Chester and Gabby paid the following costs pertaining to education: JR's tuition $3,400 JR's room and board $4,000 Gabby's tuition $900 How much will Chester & Gabby's 2020 American Opportunity credit total? $1.300 12.500 stane the