$5000

But no really, there is really no way to tell pricing over the internet it varies greatly from area to area. Somebody more experienced on here might be able to give you an estimate of how long it will take, and you could call a few shops in your area and ask what their hourly rate is. My artist charges $120 an hour but he is good. Also the artists I have been to will generally cut that back a little bit with big pieces, or for repeat customers, especially if you tip.