Problem to be solved: to assign the lot of each item (constituent item) in the disassembly of the set commodity easily.The sales management device 1 comprisesWhen dismantling of a set commodity consisting of a combination of multiple goods is performedA list of lot numbers for each item constituting the set item is displayed on the first display area by the list.A lot addition button 273 for adding a new lot number as another candidate different from the candidate to the list in this list293 is displayed on the second display area near the first display area.Diagram
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