Answer:
1. Carlos begins using a company name that is identical to another company's trademarked name = Intellectual Property
2. Justine's company runs advertisements that promote unhealthy snack foods to children = Marketing and Sales
3. Gavin's company lies to investors about its profits = finace
4. The process of making Fiona's product pollutes a nearby lake = production
5. Sienna reveals private information about workers to a news publication = employee treatment