depends on how much, how far, what materials you pick and where you are, and if you get a crook contractor, a hack, or someone that knows what they are doing and charges accordingly.
If you're looking for labor and material prices, you're on the wrong forum. This is for DIY'ers.
Try drywalltalk.com for opinions from professionals some of whom may be in your area. I doubt you'll get many (if any) prices "sight unseen" though....
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