Erin watched as the two argued fiercely, with the stallion bringing up the woes of a poor shopkeeper, and Twilight mentioning how cruel he was to try and steal from a poor filly from Ponyville, who had barely a bit to her name. Offer after offer was rejected, and the discussion gained in intensity, until finally a price was reached: eleven bits per coin. Erin was ecstatic with the amount of wealth coming towards her, and very glad she'd brought Twilight with her. The small unicorn was a fierce bargainer, and Erin doubted she'd have been able to do anywhere near as well. 