Selection set evaluation device and sale management device

A selection set evaluation device comprises selection item storage means where information concerning selection items are stored, selection item presenting means for presenting selection items to a user, selection item selection means for allowing the user to select one or more of the presented selection items, evaluation criterion storage means where evaluation criterion used for evaluating a selection set consisting of the one or more selection items selected by the user; and selection set evaluating means for evaluating the selection set on the basis of the evaluation criterion. Thus a selection set evaluation device for evaluating a selection set which is a combination of selection items selected by the user on the basis of predetermined evaluation criteria.