Explanation:

- Economic audit: Measures whether resources have been acquired economically, used efficiently, and the desired objectives achieved. It evaluates cost-effectiveness.

- Efficiency audit: Reviews whether the entity's operations are carried out with maximum productivity. It looks at the relationship between input and output to ensure minimal waste of resources.

- Expenditure audit: Involves examining financial records to ensure that spending aligns with documented expenses. It's typically not part of the standard EPA evaluations.

- Effectiveness audit: Assesses how well an organization achieves its goals and objectives and the impact of its activities.

Correct Answer: Option 3 - Expenditure audit.