The Internal Control Activity Related to the Adequate Records and Documents

The internal control activity related to the adequate records and documents, related to sales, includes which of the following?

A) Those responsible for recording sales should ensure that the supporting documentation is retained and organized.
B) Information systems duties included in the revenue process includes the preparation of sales orders and shipping logs.
C) All records are to be prepared by someone other than the person who has custody of the assets.
D) The authorization process is to remain separate from the recording process.