Hello,
The date output needs to be when all the current quantity is used. So Item 548-542 currently has qty. 5 Therefore,4/6/18, 4/16/18, 4/24/18, 5/2/18, This uses all the current quantity so 5/10/18 it the date that needs to be shown.
548-542 4/6/18 1
548-542 4/16/18 2
548-542 4/24/18 1...