Which of the Following Guidelines Should Be Followed When Writing

Which of the following guidelines should be followed when writing order acknowledgement messages?

A) Begin the message with bad news, if there is any.
B) Be direct in telling the customer about any additional information they need to provide.
C) Include information about new products, services, or opportunities for the reader.
D) Refrain from mentioning a delay if it is due to unexpected reasons.
E) Avoid wasting time in building goodwill and stick to the main point.