Answer:
(c) it contains letter headed paper
Step-by-step explanation:
A memorandum can be referred to as it's short form called a Memo. A memorandum is an official means of communicating internally with the staff or employees of an organization about the day to day running or operations of such an organization.
Features of a Memorandum ( Memo) includes:
a) It is always typed or written on the company's letter headed paper.
b) It includes the person or persons who the memo is been addressed to
c) It includes the name and signature of person writing the memo.
d) Subject or title of the memo.
e) Information about the subject of the memo.