A. Study the following example of a business letter

Letterhead or Heading	Compuvision Ltd Warwick House Warwick Street Forest Hill London SE23 1JF UK
Reference (File Number)	Your ref. 6 May 20__ Your ref. DS/MR
Date	11 May 20___
Inside Address	Messers Pooles&Jackson Ltd Bredgrade 51 DK1260 Copenhagen K Denmark
Attention line	Attn Ms Kaasen (Private and Confidential)
Salutation	Dear Ms Kaasen
Subject Line	Non-payment of invoice 322/17
Body of the letter	It appears from our records that, despite several reminders, the above invoice remains unpaid. Unless the account is cleared within 14 days from the date of this letter, we shall take legal action.
Complimentary close	Yours sincerely.
Signature	Mary Rayner
Per pro	p.p. Donald Sampson
Job Title	Sales Manager
Enclosure (Added information)	Enc.
Copies	c.c. Messers Pooles & Jackson, Solisitors
PS