Remember that big sales contract you negotiated last fall, the one that got you a fat year-end bonus? Well, your manufacturing department has just told you that delivery will be two months late. So now it’s your job to persuade your customer to accept a new date without canceling the deal. And that’s not all. That long-term supply contract you worked so hard on a year ago? The supplier is asking for a meeting to revise the pricing due to its increased energy costs.