The difference between projects that fail and those that are ultimately successful has to do with: * O The plans that have been made to deal with problems as they arise. O The fact that a successful project doesn't encounter problems. Whether the project is for an internal or external customer. O Whether the problem is time or budget-related. A project exists outside of the standard line organization.* O True . O False Developing vision and mission statements is an important tactical step in project management True False