Questions 167-169 refer to the following fax message. Decor Office Furnishing Co., Ltd To: All clients From: Norman Winter ＜winter@decor.com＞ Fax number: 325-640-0023 Number of pages including cover: 1 Re: Hello, everyone I am sending this fax message out to all our clients to introduce myself. I am Gregg Lassen’ s new administrative assistant, Norman Winter. My predecessor, Tom Morrison, left the employ of Decor Office Furnishing effective September 5. I am in the process of updating the company database system with vendor addresses, contact telephone numbers and e-mail addresses. If there are any changes in your company information, please e-mail me the changes by September 20. What is the main purpose of this fax
A. To promote a product B. To purchase new computer equipment C.To announce a change in personnel D. To open a new branch office