1. What were the main challenges encountered by CARE International before they created their warehouse pre-positioning model? 2. How does the objective function relate to the organization’s need to improve relief services to affected areas? 3. Conduct online research and suggest at least three other applications or types of software that could handle the magnitude of variables and constraints CARE International used in their MIP model. 4. Elaborate on some benefits CARE International stands to gain from implementing their pre-positioning model on a large scale in the future.