In a business letter,type the ____ at least four blank lines below the complimentary close,allowing room for the author to sign his or her name.

A) inside address
B) message
C) signature block
D) salutation

Complimentary Close

A polite phrase used to end a letter or email, positioned before the sender's name, such as "Sincerely" or "Best regards."

Signature Block

A predefined area in documents and emails where an individual’s signature, contact information, and/or titles are placed.

Business Letter

A formal document used for communication between companies, or between a company and its clients, customers, or other external parties.