What is the cost to repair rear pinion leak 2006 jeep liberty sport?

My jeep has a rear pinion seal leak and I was looking at an estimate of cost I can expect to pay with labor.|||seal is probably 25-50 bucks, i would guess an hours labor rate at the shop and the cost of the differential fluid.|||seals leak due to worn / miss adjusted /under lubricated bearings|||About 1 hour at shop rate.