怎樣寫一封升職信?

Date XXXX

Dear XXXXX

This Letter is to confirm you that company appreciate your performance during your service in company. After consideration company will promotion you from XXXX to XXXX effective date is XXXX.
Your montly remuneration will be adjust form xxxxx to xxxxx start date from XXXX


Thank you for your support.



Yours faithfully,

XXXXXXXX LTD.

老闆要升職了 ??? 己经係老闆啦! 升咩職?????