If the letter you are referring to is the one you get when you have your credit card account or bill delivered to your home, then the best answer would be most likely the second one. The letter provides the recipient information about the condition of his own bank account.
No the narrator of a poem is one who narrates, but the poet is one who wrote the poem
C creak the door screeched.
Brainly is better it’s easier to use lol