[Madhatter]

That isn't that simple busman because of the 99, instead of the whole pound, 2.50 and 4. If your used to working with figures in those amounts, you don't even have to think, it's just there, but she isn't, the till normally does it. She obviously couldn't have been used to doing many voucher transactions.

I've just got up and come straight here with a cuppa, and I really had to concentrate on that. Do you ever get like that your mind can't concentrate, or you've got that much going on or in a rush/panic that you just can't focus on the most basic things.