One of the most compelling stories that capture why and how Agile works is the P-80 Shooting Star, the first jet fighter developed by Lockheed Martin's Skunkworks team. The success of this project exemplifies the core tenants of Agile except for which of the following: Select the best answer below that doesn't fit the paradigm discussed in lecture: 1. Shared vision with fixed scope 2. Cross-functional teams 3. Incremental delivery 4. Continuous integration