The above question wants to analyze your writing and communication skills. For that reason, I can't write a letter to you, but I'll show you how to write it.
First, you should be aware of the language that the letter will present. This letter must present a formal language since it deals with a serious, economic topic and establishes communication between people who are not intimate.
Therefore, you should use formal English, without slang or colloquialism.
More information on how to write a letter is at the link:
https://brainly.com/question/24623157