The part of the letter that is placed in the upper left-hand corner of the letter above the salutation or reference line and indicates to whom the letter is addressed is called which of the following?

A) Reference line and salutation
B) Method of delivery and address block
C) Salutation
D) Body and closing

Reference Line and Salutation

Components of a letter where the reference line indicates the purpose or subject, and the salutation is a greeting to the recipient, typically starting with "Dear" followed by the recipient's title and name.

Method of Delivery

The specific way in which a product, service, or piece of communication is conveyed to its recipient.