I think that it is after the salutation or before the closing of the letter. If it were a letter, it would look like this:
Dear Dr. Doctor,
(Dear is the Salutation). Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter.
Sincerely,
Brainly
Click on their profile picture and then it'll say add friend
An element in an effective argument is logical support because if you are trying to make you're argument effective, you need logical support to help your argument. Hope this helps!