What do Lannis and Isa do as a result of their disagreement?

What do Lannis and Isa do as a result of their disagreement?
They each try to stop the other from reaching the principal's office.
They each write their ideas on notecards so the principal can read them later.
They each try to convince the principal to spend the money on a different sport.
They each agree to take turns listening to what the principal has to say.