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?probably around 1000 just saying i believe its around that i might be wrong tho

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