Lyra comes out of the back...

in a puff of black smoke, hacking and coughing, laughing when she has the breath. She quickly opens all the doors and windows to vent the smoke caused by her obviously failed experiment. Chuckling to herself as she fans the smoke out with the ledger book.

Once the smoke is cleared up a bit, she looks through the book, as she hums to herself walking over to flip the commissions sign to open and relabel the prices on the board.