英语翻译Dear sir and madamACCOUNT NUMBER 5768we regret having to

英语翻译Dear sir and madamACCOUNT NUMBER 5768we regret having to remind you that we have not received payment of the balance of $209.5 due on our statement for October.This was sent to you on 2 January and a copy is enclosed.We must remind you that usually low prices were quoted to you on the understanding of an early settlement.It may well be that non-payment is due to an oversight,and so we ask you to be good enough to send us your cheque within the next few days.