Your project sponsor and customer are impressed with your project schedule, but

Your project sponsor and customer are impressed with your project schedule, but due to some factors out of your or their control, you’ve been told to deliver your project early. Using the information from the readings, explain how you would go about assessing the possibility of delivering your project early. How will that affect scope, costs, and schedule? Should you “crash” the project or use another approach? What will determine your decision?