以下呢句文法對嗎?

1. My duties included handling daily correspondence for relevant departments/in support of relevant departments.
2. My duties included handling and preparation of correspondence in support of relevant departments.
3. I am responsible for preparing correspondence for relevant departments.
4. I am responsible for handling correspondence in support of relevant departments.

I am responsible for preparing for a wide range of business
correspondence supporting relevant departments.


Hope you find it useful.

It is correct!!!!!