Send them an invoice. You'll never see a penny mind you, but IME (which includes getting pimped out to help the admin office a decent bit in grad school) myste

Send them an invoice. You'll never see a penny mind you, but IME (which includes getting pimped out to help the admin office a decent bit in grad school) mystery invoices have a pretty good chance of getting "wtf is this"'d all the way up to the dean's office.