Jack Martinez
456, X Street, Y Avenue,
Fillmore, UT-84631
(123) 456-7890
[Subject: Normally bold, summarizes the intention of the letter] -Optional-
Dear Jack Martinez,
We are enclosing a check of $200 for completing payment against the invoice number 333. The check covers all the overhead expenses as well. We apologise again and look forward for your continued patronage.
Sincerely,
Radomér