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Discuss with your classmates whether there are any problems in the following letters and how you can improve them.Then contrast your improved letters with the original ones. Dear Mr.White: Enclosed please find our revised Invoice No.88024 to replace the above invoice.As you will note,we have deleted the charges associated with the lease renewal as promised in Mr.Black's message dated March 12. If you can be of any assistance,please do not hesitate to contact us. Sincerely, Lucy Zhang