Remaianing quantity for old item different from remaining quantity to new item from item journal

I have item have more transaction wrong in quantity and cost .so that i create another item with same name and go to item journal then make entry type purchase then write quantity and unit cost then make post after this i see in database in item ledger entry table i found

quantity invoiced 25

quantity 25

quantity remaining 25

but transaction i need it is(first in old item )

quantity invoiced 25

quantity 25

quantity remaining 0

Now how i make this transaction as first

thanks

http://dynamicsuser.net/forums/t/62444.aspx