Do a revenue and cost analyses for both the A320 and E190 models. Review the basics of financial statements analysis and make assumptions as needed. Think about the flight distances between destinations, as well as which routes tend to attract business vs. leisure travelers. Your recommendations should be data driven and take into account maximizing revenue, minimizing cost and meeting customer preferences. Make sure to spend some time discussing the mathematics of your calculations. For more context, you might think about paying careful attention to the part of chapter 6 of our textbook that refers to the airline industry