Shings - Yes I understand the retial environment, I do a lot of extra hours (unpaid!) etc... In order to show this. Just what they are doing is not reasonable IMO.
Its not a manager thing either, I am part of the managment team. Halfords got an American analyst company in to highlight where the compnay could make more money essentially. It came back with a report which basically said rota changes were the best way of increasing productivity.