Try to solve the problem with them, explaining them that you agreed for the rate when you checked-in and no one told you it would go up 40%.
If everything fails and you are still in MTL, you can give these guys a ring
http://www.opc.gouv.qc.ca/e_HotLine/map_Site.asp
__________________
A girl once told me "Give me 8 inches and make it HURT".
So, I fucked her twice and hit her with a brick.