1. What is the problem addressed in this paper? 2. What is the objective, the decision variables, and the types of constraints in the model. Briefly describe. 3. If you were to use a modeling language, which would have been the sets and the associated attributes (model parameters and variables)? 4. Using as guide the "Operations Research Modeling Approach" of Chapter 2 of the textbook, describe in a few sentences the phases or steps of the modeling approach performed in this particular OR project. Elaborate on the validation of the model and its use in conducting "what if analyses. 5. Were there any other modeling approaches considered for this project before the linear programming approach was adopted? 6. To estimate the model parameters, data were collected or derived. Which data were collected by the project investigators, which were derived and which were supplied by which source