| 摘要 |
The invention relates to events and the like performed in groups, and makes it possible for purchasing, for example, of required articles to be carried out efficiently in accordance with the overall situation, and in addition makes it possible for payment to be made easily. To this end, an information processing device carries out processes to create a screen listing items to be prepared, using information relating to the items to be prepared, to present the same on a user terminal, and to update the information relating to the items to be prepared, on the basis of operating information relating to the screen listing the items to be prepared, from the user terminal. Further, with regard to articles included in the information relating to the items to be prepared, a process is carried out to present, on the user terminal, candidate goods to be purchased, and a process is carried out to update, in the information relating to the items to be prepared, information relating to the status of preparation and the purchase price of said articles, in accordance with a purchase record of the candidate goods to be purchased. In addition, a process is carried out to calculate payment information on the basis of information relating to the number of people and the purchase price of each article, and to present the payment information using the user terminal. |
