"Well how much do you think that one is then?"
"I've no idea. I've looked along those shelves three times, but it's not marked anywhere."
"Can you see a shop assistant anywhere?"
"No, the place seems deserted. Perhaps they’re all on their coffee break."
"Don't worry. I've a foolproof method for getting their attention. Let's go and take a look at the iPads."
Sure enough, we’d been playing with the touch screens on their iPad in the computing section for less than a minute when a sales assistant miraculously appeared to see if they could help us with our purchase.
Although they seemed marginally less enthusiastic when we said yes and dragged them round to where the steam irons were.