E-Mail Produces a Permanent Record

E-mail produces a permanent record. Therefore, business communicators should follow which of these recommendations?

A) Use e-mail to deliver bad news or to resolve arguments because it avoids confrontation.
B) Add humor or tongue-in-cheek comments to lighten the tone of serious e-mail topics.
C) Use e-mail instead of hard-copy memos for anything you wouldn't want published.
D) Care about tone, correctness, and conciseness to create messages with the reader in mind.