Dropped my MacBook – how much to fix?

I have had it for about 3 years now and today I accidentally dropped it. The outside is completely fine, you can't tell there is anything wrong with it just by looking at it but when I try to turn it on a folder and question mark just blinks on the screen. Also, when I tilt it, I can hear the parts inside moving around. =(
yeah, I opened it up... and its definitely the hard drive, I'm definitely not buying it from apple its too expensive

thanks =)

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