At approximately 24 minutes from beginning of the movie, Amber says to Jason. "I have to pay off my train ticket somehow." When actually, she needs to pay off her bus ticket... from her earliest encounter with Jason, the bus ticket taker, when she had no way to pay him with the appropriate means of doing so in that earlier scene.
According to the invoice from Krumholz, Whitbrooke Harbor is located in Illinois. However, Harbor, on that invoice, is spelled in British or Canadian English (this production being Canadian), i.e. Harbour, and not American English.
According to the Krumholz invoice, the business' postal code is H1C 2C3, locating it in Canada, more specifically Saint-Leonard, a neighborhood in Montreal, QC. However, when Amber goes to the Krumholz office, the George Washington Bridge in New York City is shown.