I've seen tens of thousands, even hundreds of thousands, for simple changes. For example, if a company's system is well and truly fucked, people specialized in

I've seen tens of thousands, even hundreds of thousands, for simple changes. For example, if a company's system is well and truly fucked, people specialized in fixing it can charge insane amounts of money, simply because the company would be losing 10x their fee every hour that the mistake is not fixed.