4. Imagine that you came to work an hour early so that you could get started on a large proposal that you have due in a week. Fifteen minutes into the project, a co-worker stops by to tell you about her recent vacation. After she leaves, your manager pokes his head into your office and asks if you can spare a minute. Finally, you settle into your proposal. Five minutes after the official start of the workday, one of your employees comes into your office and informs you that she is going to resign. What is the best way to handle each of these unscheduled visitors?