Which of the Following Best Describes the "AA" Priority Business

Which of the following best describes the "AA" priority business function of a firm?

A) This business function is extremely critical to the operation of the firm and cannot be unavailable for more than a few minutes without causing severe problems.
B) This business function is critical to the operation of the firm and cannot be unavailable for more than a few hours without causing severe problems.
C) This business function,while significant,can be unavailable for up to a few days without causing severe problems.
D) This business function can be unavailable for several days in times of a major disaster without causing major problems.