Abstract: An information processing server manages periodic payment of a plurality of users belonging to a group. The server sets a predetermined personal amount to be paid on a predetermined due date by each of the plurality of users and acquires information indicating payment amounts respectively designated by the plurality of users for each predetermined due date. The server determines, in a case where the information includes a first payment amount of a first user exceeding the predetermined personal amount and a second payment amount of a second user not satisfying the predetermined personal amount, deemed payment amounts of the first user and the second user such that the second payment amount is complemented by a part of the first payment amount.

Abstract: An information processing server sets a target evaluation value which is an evaluation value necessary for a user to receive provision of a specific product or a specific service, and sets one or more tasks to be processed by the user and a task evaluation value which is an evaluation value obtained by processing of each task. The information processing server imparts the task evaluation value to the user according to a processing status of a task by the user, calculates an achievement degree of an accumulated value of the task evaluation values imparted to the user with respect to the target evaluation value, and provides information regarding the achievement degree to a communication device used by the user or a service provider.

Abstract: An information processing method includes acquiring, from an external device, evaluation information for evaluating a driver who drives a vehicle and calculating reliability of the driver based on the evaluation information. The method further includes converting the calculated reliability into an amount and granting the converted amount to the driver, the amount being in a transaction unit that can be used for rental payment for the vehicle. The evaluation information includes status of the rental payment of the driver and at least one of efficiency of labor, an amount of labor and regularity of labor of the driver.