(your name, street
city, state, zip)
(date)
(name
street
city, state, zip)
__________________________
Dear ____ (name):
We shipped your order no. ____ (number) for ______ number and item)
air express, special delivery instead of regular ground shipping because
we thought that time was a critical factor.
Because our assumption was our error, we are mailing you a credit for
the difference in delivery rates.
Sincerely,
(name)
(title)