可否幫我翻譯這個關於經濟的英文句子?

[[[ Firm A's contribution is the value added by A to the production.Other firms' contribution in the production process should have been deducted. ]]]

[[[ Total export value in 2003 may have included part of the inventory in past years which should be deducted from the 2003 figures. ]]]

其實這是屬於經濟科會考題2003年第9(b)(i)題
請一些經濟及英文專業人士幫我翻譯正確的中文
或請各位人士找這一題的中文答案以便我能夠對答案,thanks