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s] telephone conversation with you today concerning an increase in our billing rate to [amount] per hour, effective [date] It is necessary that we request this increase due to a rise in the cost of conducting our business. We are faced with an increase in payroll taxes and insurance, along with an increase in our overhead costs. In addition to the above, we also seek a modest profit. Attached are copies of our service agreement and we request that you sign one copy and return it to us indicating your approval of this new rate. FINAL NOTICE BEFORE LEGAL ACTION Date: _ To: _ [Customer] We have repeatedly requested payment of $_, on your overdue account. Our demands for payment have been ignored. Accordingly, we shall turn this account over for collection within the next ten days unless payment, or an acceptable proposal for payment is obtained. Enforced collection on this obligation may result in additional legal or court costs to you and may impair your credit rating. Very truly 。 absence,please do not hesitate to call. Dear The [product name and model number] that you mailed to us for repair was received on [date] We will be returning it to you as soon as the necessary adjustments are made. We are sorry that you experienced a problem with our product and want to thank you for purchasing a [name of product] Dear This is to inform you that we have carefully reviewed your estimate on the parking lot refurbishing. We are planning to contract with you for this work. We are unable to let this contract immediately, as final approval of expenditures of this nature must e from the head office in New York. We expect to receive approval or disapproval within the next 30 days. At such time, we will contact you with instructions accordingly. If we may be of any assistance in the meantime please feel free to contact this office. Dear _: We appreciate your interest in submitting to us an idea or proposal relative to: _ Our firm receives many ideas, suggestions and proposals,and has many of its own projects under development. Therefore, it is possible the id