Respuesta :
Contact information will always be optional when you are writing to someone. It is an element of trust that is sometimes unneeded. Of course, if it is a business letter and they need to get in touch with you, that does change the purpose. But as this is a formal letter not a business letter, it is not an obligation to give an address.
The part of a formal email that tis option is: " The contact information" (option B).
What is the above information option?
The contact information from a formal email is optional because the email address used in communication is already a form of contact information.
Thus, it is correct to indicate that The part of a formal email that tis option is: " The contact information"
Learn more bout formal emails at;
https://brainly.com/question/16253307
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