Close up on self service screen.
Beep. "Windolene"
Beep. "Sink Plunger"
Longer beep. "Please place the item in the bagging area"
Tut offscreen
Another long beep. "Please place the item in the bagging area"
Camera Pans out.
A Dalek stands at the till agitated (waving it's eye and arms about).
Dalek
Why don't you love me!!
The Dalek rams the self service till with it's plunger.
Self serve checkout
Approval needed.
Dalek
Frigid bitch!
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Thanks Putters for the edit