Anesthesia costs for the dog depends and varies on the size of the dog that needs to be sedated by anesthesia.
Small dogs it costs around $65.00 to $75.00 and for larger dogs it can range from $100.00 to $150.00 depending your location and what Vet you take the dog too for the sedation.
Plus they'll usually be an office visit cost that could be from $50.00 to $100.00 depending on the vet since some vets charge more for their services than others.