How much would a transmission rebuild cost for a 2002 Ford Focus Automatic?

On estimate how much would a rebuild cost for a 2002 Ford Focus Automatic transmission?? It jerks when accelerating (e.g accelerating from a red light) so I believe it's slipping.How much would a transmission rebuild cost for a 2002 Ford Focus Automatic?$1,200How much would a transmission rebuild cost for a 2002 Ford Focus Automatic?You can enter vehicle and zip code at this site to get a rough estimate.