i have two 13 inch mac books that have water damage. one is a black mac book that turns on but the screen just stays completely black. serial # w882456j0p2. (2008). The other is a white 13 inch macbook that has slight water damage but everything works only the screen always flickers.serial # w8916f224r1. (2009) I have a working pro so am just looking to scrap them. Does anyone know about how much I can get for them up front?