This is the way it works.
They have 50 pieces of paper with different prices on from £100 to £1000 pounds in a box. When you ring up they pick one out at random, they listen carefully to your reaction, then depending how much you breath in and how many "F" words you use, determines how many pieces of paper they keep pulling out till they find a good price that suits you.
If your age is under 21 they pick out three pieces at a time.

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