=+Identifying how costs differ between two options is an important first step. After this economic analysis is complete, the social and environmental impacts can then be considered and a decision made based on the balance of all three factors.

Rachel’s Pharmacy operates a network of five pharmacies throughout Sydney. When one of the pharmacies runs out of a particular product Rachel has one of her employees from the main pharmacy drive to the pharmacy that has excess stock, or to the supplier, and then deliver the inventory to the pharmacy that needs it. This happens once or twice a week. Although Rachel is working on