Screen issues

I have looked at others with related issues and I can see where this is going perhaps. My MacBook was dropped earlier today, and now the screen is not working properly. The laptop itself is fully functional, but the colors on the screen have basically switched to mostly green and blue, and almost everything is hazy. There are two spots on the screen where the colors are actually normal. There is a small dent on the bottom of the laptop, but you have to look really hard to see it. It is right by the USB port on the left side of the laptop. I tapped on the spot once and the colors went showed improvement, but not fixed. It then reverted back to normal. I've repaired permissions passed a magnet in front of the LCD screen rebooted the computer tried the command option control 8. Is there anything I can do to fix it? Any idea how much a repair would cost, like a new screen if that is the problem?