Ariana and John, who file a joint return, have two dependent children, Kai and Angel. Kai is a freshman at State University, and Angel is working on her graduate degree. The couple paid qualified expenses of $2,500 for Kai (who is a half-time student) and \$7,500 for Angel. Required: What are the omount and type of education tax credits that Ariana and John can take, assuming they have no modified AGI limitation