SETTLEMENT SYSTEM AND SETTLEMENT METHOD

According to one embodiment, a settlement system (100) comprising a server (10) and a merchant device (20), wherein the server (10) includes: a rate notification unit (12a) configured to report, at a predetermined occasion, an exchange rate applicable for a predetermined period of time to the merchant device (20); and a payment controller (12b) configured to perform control to determine an amount of payment to be made to the merchant device (20), based on sales information reported by the merchant device (20) and an exchange rate at a time of purchase, and pay the determined amount to the merchant device (20) in a currency of a second country, the currency of the second country being a home currency for the merchant device (20), the merchant device (20) includes: a display controller (22b) configured to, if a request from a terminal of a user is received, perform control, based on a fixed exchange rate reported by the server (10), to display on the terminal (30) of the user an amount of payment for purchase of an article in a currency of a first country designated by the user; a sales notification unit (22c) configured to, if the user purchases the article, notify the server (10) of the sales information in the currency of the first country, the sales information being calculated by the display controller based on the exchange rate reported by the server (10), wherein the display controller (22b) performs control to identify, based on an image received from the terminal (30), a price of the article that the user wishes to purchase, calculate the amount of payment for purchase of the article in the currency of the first country based on the price of the article and the exchange rate, and display the calculated amount of payment on the image.