In order for a project plan and schedule to be realistic, reliable time estimates must be made for project activities. By adding time to the network, we are able to estimate the length of time the project will take. Once the times are assigned, we can determine when to begin activities, which activities can be delayed, when resources are needed, and when the project is estimated to be finished. In a well-constructed initial response utilizing the knowledge you gained from the initial readings as well as your own experiences, discuss the following question: What are the risks associated with leveling resources, compressing or crashing projects, and imposed durations or "catch-up" as the project is being implemented