Dear :

This year we are again offering our customers our prepayment option of a % cash discount on our annual service contract. Many of our customers prefer the contract because of the convenience it allows them.

If you decide to take advantage of this offer, please send us your check for $ for the full year's service by [date]. If you decide to pay monthly, the annual charge will total $.

If you have any questions concerning this prepayment program, please call me at [phone number].

Sincerely yours,

[name]

[title]