Which of the Following Best Describes the Auditors' Typical Observation

Which of the following best describes the auditors' typical observation of plant and equipment?

A) The auditors observe a physical inventory of plant and equipment annually.
B) The auditors observe all additions to plant and equipment made during the year.
C) The auditors observe all major plant and equipment items in the clients' accounts each year.
D) The auditors observe major additions to plant and equipment made during the year.