【答案解析】March 12, 2009 Dear Sir, According to our records, you have not yet settled your account for electronic equipment supplied to you on 10 December, 2008 and 20 January this year. We sent you a detailed statement of account on 28 December 2008 and 28 January this year, but as these may not have reached you, we are now taking this opportunity of sending you a further copy of this statement. If you have settled this account since receiving your most recent statement, please ignore this reminder and accept my apologies for troubling you further in this matter. We thank in advance for your favorable consideration. Yours sincerely,