Is this for real? Of course if only your expenses increase by 5% and you earn more than that, you may need less than 5% wage increase to cover the increase. Bu

Is this for real? Of course if only your expenses increase by 5% and you earn more than that, you may need less than 5% wage increase to cover the increase. But then your 'surplus' is less of a percentage of your wage, and what there is, is now worth 5% less in purchasing power too. The reasoning, isn't.