Dear
Your letter requesting that we bill you quarterly rather
than monthly, presents us with somewhat of a problem.
Inasmuch as we would like to welcome you as a new customer
of our firm, we would like to accommodate you in any way
possible. Your request, however, would result in your
receiving preferential treatment for your account and would
be unfair to all of our customers who must settle their
accounts within 30 days. If we were to offer the terms
you have requested to all of our customers, we would soon
be out of business entirely.
I am …

Dear
This is to acknowledge receipt of your letter of [date],
in which you requested a three month extension on your
[type of] loan, number [number]
After careful review, we regret to inform you that we are
unable to grant you any further extensions for the payment
on your loan.
We are sorry about the difficulties you are experiencing,
but we must insist on receiving your payment by [date]
We hope that you will be able to find another solution to
your problem.

Dear
This letter is in response to your inquiry regarding our
flexibility in the discount rate we offer for early
settlement of accounts.
Our established discount is 2% of the total invoiced amount
when payment is received within 10 days of delivery. This
figure is not one that has been arbitrarily chosen, but is
based on cost, overhead and profit. To increase this discount
rate for all of our accounts would seriously jeopardize our
firm and to increase the rate for an individual account would
be both unfair and unethical. I believe that you will find
that the …