A client makes test counts on the basis of a statistical plan. The auditor observes such counts as are deemed necessary and is able to become satisfied as to the reliability of the clients procedures. In reporting on the results of the audit, the auditor

Must qualify the opinion if the inventories were material.

Is required to disclaim an opinion if the inventories were material.

Can express an unmodified opinion.

Must comment in the auditors responsibility section as to the inability to observe year-end inventories.