Case Preparation Questions: 1. Develop a mathematical programming approach for determining an optimal exchange schedule. How will you choose your objective function? 2. Solve the simplified exchange problem using your approach using the data from Tables 1 and 2 (attached above). 3.advise Wall as to how to quantify these opportunity costs. How big are these costs in the data sample from Table 1? Comment on the short- and long-term benefits or losses from allowing or forbidding downgrade and upgrade requests. 4. How will Gold owners affect your model?