1. (3 points) In words (not mathematical equations) what is the objective of their mathematical formulation?
  2. (3 points) What does the decision variable xi represent? I.e. if xi returns 300, what does that tell the decision maker?
  3. (2 points) Where do the supplier scores come from?
  4. (2 points) Is cost included in this model? If so, where do the cost values get incorporated? If not, why do you think the costs may have been ignored?

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