After seeing the one about the £5 note thread -
Went into M&S and bought a few things, tights, new bra and new jeans.
Was chatting to shop assistant as he rung them up. Neither of us noticed that the jeans, whilst saying £30 on the label came up as £10 at the till. No sign of them being in a sale either on the label or on the stand etc.
I noticed once I was out of the shop as it seemed like the bill was a bit less than it should be. Should I go back and explain? Am I being unreasonable to keep quiet. Did I steal from M&S? Clearly no chance of bloke on till having to make up the money....