Dear ____ (name),
There has been a rapid rise in labor and operating costs. Because of these facts, ___________ (name of company) reluctantly has decided to increase service charges on ____________, ___ (date). These service charge increases will vary depending on the service your company uses. We appreciate your patronage and look forward to continuing our business relationship. If you have any questions, please call us at _________ (phone number).
Most sincerely,
(Your name)
(title)
