Transcription: Congratulations on working your way through part one of the case study. By now you should have a good sense of how 2-Pax customers respond to different patterns of spending and pricing decisions. To be more specific, you have developed a set of assumptions about how 2-Pax market works. Assumptions, for instance, about which product characteristics are most important to each of 2-Pax customer segments. People often refer to such a set of assumptions as a mental model. Here in part two, you have the opportunity to extend your understanding by further testing and refining your assumptions. This o ...