| 摘要 |
PROBLEM TO BE SOLVED: To provide to a user a piece of information whether a commodity and a service are selected and collected by a shop/business operator while considering the sustainability of society.SOLUTION: A store rating device 100 includes: a store evaluation section 102 that calculates a store score of each store on each of plural stores based on a piece of information of purchase of stock which includes a piece of information representing one or more producers who provide the commodity to the store, and a piece of information representing the quantity of the commodity provided by the one or more producers, and a producer score representing the degree of consideration to the sustainability of society of the one or more producers which is determined for each of the one or more producers and performs rating on plural stores based on calculated plural store scores; and an output section 105 that outputs a piece of rating information representing the rating of the respective plural stores. |
