急~中翻譯英文~~20點

我司收到貴司昨天的付款通知書, 但有很多不明白的扣款, 煩請提供以下的扣款項目是資料給我;
1.collected grn (-12,925.72) – 是什麼扣款? 請提供有關扣款文件?
2.Purchase adjustment (-4,060) – 到現在為止, 仍沒有人告知我那一張sales memo no?
3.Rebate (-3847.50) – 是那一個月份, 請提供期間?
4.Reverse of collected grn (5,760) – 為何reverse這個數?請提供文件?

Translation:
We acknowledge receipt yesterday of your payment advice in which we are unsure of some of the deductions. Please provide further information about the reduction items below:
1.collected grn (-12,925.72) – What is the deduction for? Please provide related documents.
2.Purchase adjustment (-4,060) –Up to now, no one has yet notified me the sales memo no,
3.Rebate (-3847.50) – What month is this for? Please provide information of the period covered.
4.Reverse of collected grn (5,760) –Why is this amount reversed? Please provide supporting documents.

2012-10-27 05:22:50 補充：
Typing mistake:
In "Please provide further information about the reduction items ", 'reduction' should be 'deduction'.

呢啲英文翻譯唔到噶，只可以自己理解，一系買本劍橋/牛津大字典翻黎，體下有冇。

Division I receive your payment notice yesterday, but many do not understand the chargeback, please provide the following deductions project information to me;
1.collected grn (-12,925.72) - What is the charge? Such debit file?
2.Purchase adjustment (-4,060) - Until now, still no one ever told me that a sales memo no?
3.Rebate (-3847.50) - That month, the period?
4.Reverse of collected grn (5,760) - Why reverse this number? Please provide the file?

(------)
Dear Sir,
-------------Our Co. receives your Co.'s remittances with unclassified debit notes on:-
--------------(1)What's Collected GRN (-12,925.72)
-----------------Documents against acceptance?
--------------(2)Purchase Adjustment (-4,060)
-------------------Which sales memo no. on Documents against acceptance?
--------------(3)Rebate(-3847.50)
-------------------Documents against our Co.'s acceptance in which month?
--------------(4)Reverse of collected GRN (5,760)
-------------------Documents against payment?
---------------Will you please send those information to your credit for us until we are certain.Thanks.

收集完GRN（-12,925.72）– 是什麼扣款? 請提供有關扣款文件
2.Purchase調整（-4,060） - 到現在為止，仍沒有人告知我那一張銷售單據沒有？
3.Rebate（-3847.50） - 是那一個月份，請提供期間？
收集GRN4.Reverse（5,760） - 為何反向這個數呢？請提供文件嗎？

2012-10-25 22:44:52 補充：
有d翻譯唔到