Aww that sucks!! Phone companies suck like that. Our phone and cable/internet companies have both done stuff like that to us at one point or another. Definitely don't pay it, they're the ones at fault!! Sorry about the screen, that's a bummer. If you're careful with it though, you should be able to
make it last until you can get a new one. My screen has been cracked for around 4 months or ...