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YMB....Companies like Sports Direct used to have a business ethos that said that in order to make the owner as much money as possible, it was thought OK to pay the workers as little as possible, and below minimum wage if necessary. They have learnt that they can't do that anymore, although the lesson about the minimum wage was a very hard one for Mike Ashley to learn.
Now Argos have been caught out. Who knows what other companies have yet to be identified ?