What does it cost to replace an oil pan on a GMC suburban, 1994, 2 wheel drive, 1500 series, 350 motor?

Auto shop v.s street mechanicWhat does it cost to replace an oil pan on a GMC suburban, 1994, 2 wheel drive, 1500 series, 350 motor?
at the dealership i work at. about 3 - 4 hours labor plus parts. it isn't very hard to do on this vehicle.