Rewrite the following sentences in conversational style. (1) The writer wishes to inform the above-referenced individual that subsequent payments may henceforth be sent to the address cited below. (2) The undersigned takes great pleasure in welcoming you to our staff. (3) You are hereby advised to endorse the subject proposal and return same to the undersigned (署名人). (4) In replying to your esteemed favor of July 7, I submit under separate cover the report you requested. (5) Replying to your letter of August 3 we would state that we deem it a great pleasure to accept your kind offer to serve on the committee.