A Self Cleaning University...with Timer

Self cleaning...with timer

A branch of Currys-PCWorld. A couple wearing matching cagoules wander in clutching a copy of Which? They're immediately accosted by a man in a tight fitting suit and lanyard. 

Lanyard Man: Good morning! Is there anything I can help you with today?
Cagoule Man: Ah...yes. Yes, actually. We've come for a university course.
Lanyard Man: A university course? I think