Which of the following statements are true about materiality? (Several choices may be correct).

A. Planning materiality is used to guide audit testing.

B. If audit risk is high, the audit should use a lower planning materiality.

C. Information is considered material if it affects the decisions of the users of the financial statements.

D. Materiality is a simple mathematical calculation.

E. There are different levels of materiality the auditor should consider.

F. A small-dollar fraud is not material as it would not change a users decision.

G. The primary consideration in selecting a base should be the financial statement users needs.