How much they pay per class:
Ned Flanders (Graduate) pays $ 550.0 per class.
Mickey Mouse (Undergraduate) pays $ 1000.0 per class.
Harry Potter (Graduate) pays $ 300.0 per class.
Elvis Presley (Undergraduate) pays $ 1200.0 per class.
Mr. T (Graduate) pays $ 500.0 per class.
Jennifer Lopez (Undergraduate) pays $ 1200.0 per class.
Britney Spears (Graduate) pays $ 550.0 per class.
Papa Smurf (Undergraduate) pays $ 1150.0 per class.
Clark Kent (Undergraduate) pays $ 800.0 per class.
Winnie The Pooh (Undergraduate) pays $ 1200.0 per class.
Homer Simpson (Undergraduate) pays $ 1200.0 per class.

Tuition bill:
Ned Flanders owes $ 2750.0
Mickey Mouse owes $ 1000.0
Harry Potter owes $ 1200.0
Elvis Presley owes $ 6000.0
Mr. T owes $ 1000.0
Jennifer Lopez owes $ 7200.0
Britney Spears owes $ 550.0
Papa Smurf owes $ 3450.0
Clark Kent owes $ 4000.0
Winnie The Pooh owes $ 3600.0
Homer Simpson owes $ 1200.0