The functions of the treasury department include the following EXCEPT:
A. Managing cash flow
B. Budgeting and forecasting
C. Investment management
D. External auditing
E. Risk management

Answer: D (External auditing)

Explanation:
The treasury department is responsible for managing cash flow, investments, and risk, as well as budgeting and forecasting. External auditing is not a treasury function; it is the responsibility of an independent audit firm or the internal audit department.