Support activities allow the five primary activities to be performed efficiently and effectively. They are grouped into four categories
1. Firm infrastructure is the accounting. finance, legal, and general administration activi ties that allow an organization to function The AIS is part of the firm infrastructure
2. Human resources activities include recruiting. hiring, training. and compensating employees
3. Technology activities improve a product or service. Examples include research and development, investments in m, and product design.
4. Purchasing activities procure raw materials, supplies, machineries, and the buildings used to carry out the primary activities,