11.4 Your next project consists of 5 consecutive 10-day activities, each estimated by a different worker in your organization. You have all secretly added your own safety margin into your estimates and you watch in horror as the project manager whips out his copy of Critical Chain and slams it on the table midway through their first project meeting. "I'm taking your buffers and making them my own," he bellows. You recoil from this news and do some quick mental arithmetic. Now that you know the project manager is a Goldratt disciple, you know that the new project buffer will be: 12.5 days 15 days 25 days 20 days