There's always one. Someone who can't resist being an obnoxious ass because he isn't getting his way immediately and exactly the way he wants it.
Take a nap dude, you'll get your money. It might take a while since these things don't happen overnight. I guarantee your grievance will be handled as soon as she can, but let her deal with it in the course of things.
You cannot expect people who've been suddenly and unexpectedly put OUT OF BUSINESS temporarily to drop everything else to handle your refund because you can't stand the thought of not having your $20 RIGHT NOW.
I'd think that you would be more understanding, but then, obviously you aren't.