想買回公司配的筆記型電腦，報告怎麼寫?

-----------------------The Report----------------------
Dear Sir,
---For some years we have been using Co's pen-computer supplied and find it obsolete-out of date&difficult to adapt to new IT.
---We have discussed this matter with the Co. to apply for a new pen-computer,
---If there should be a possiblity at the buy-back of the "obsolete" of which we are now using, we should be most grateful for your favorable consideration.
----------------------------------Yours very truly,
-------------------------------------(----------)Co's a/ceo.
----------------------------------------(Date)

My Dear manager May I remind you about my notebook computer which had been used for years and already applied for a new one instead ;but I would like to buy my original one back. Your consideration o and approval
in this matter would be deeply appreciated. Thank you. Yip