Problem 9-51 (LO 9-3) Walt and Deloris, who file a joint return, have two dependent children, Bill and Tiffany. Bill is a freshman at State University, and Tiffany is working on her graduate degree. The couple paid qualified expenses of $3,900 for Bill (who is a half-time student) and $7,800 for Tiffany. Required: What are the amount and type of education tax credits that Walt and Deloris can take, assuming they have no modified AGI limitation? Dependent Amount of Credit Type of Credit Bill Tiffany Total