In chapter 9 we learn different types of routine business messages. 

Summarize the application of each one of them.

150 words for Q

Using APA style reference

Using Times New Roman (size 12, double-spaced) font

You must consider the number of words in each question

Read the terms of duty in the file and follow them

Finish it before the period.

Also, do not copy any sentence and reformulate it in your own way.