A display unit displays information in a fitting room. An operation input unit receives operation input of information in the fitting room. An RFID reader writer performs radio communication with an RFID tag, which is attached to a commodity and stores data of a commodity ID for identifying the commodity, and sets a radio communication range in the inside of the fitting room. A control unit that (i) acquires data of a commodity ID from an RFID tag attached to a commodity in the fitting room via the RFID reader writer, (ii) acquires, according to the acquisition of the data of the commodity ID, data of questionnaire information including a question and plural answers to the question from a questionnaire information file that stores the data of the questionnaire information, and (iii) causes the display unit to display the acquired questionnaire information, waits for selection of one or two or more answers, which are included in the questionnaire information displayed by the display unit, by operation input in the operation input unit, and causes a storage area to store the answers selected by the operation input in the operation input unit.