1. Itemize variables relevant to the engine-upgrade decision, including those that are: a. mentioned in the case, with qualitative details if given, and b. predictably relevant but not specifically mentioned in the case.
2. List key stakeholders, with a brief initial consideration of each parties interests, and approximate prioritization according to each group’s estimated salience to the decisions at hand.
3. Describe three preliminary steps that are necessary to structure the decision process.