This invention is to provide a technique to obtain data concerning a proper transaction amount. An information processing method to achieve the object comprises: obtaining data concerning a transaction amount presumed as being processed in a system to be analyzed for a plurality of business items; calculating a first load amount from the data concerning said transaction amount, obtaining data concerning operating state of the system to be analyzed, calculating a second load amount from the data concerning the operating state; and judging whether or not data that is a basis of the first load amount calculation is appropriate by determining whether or not the first load amount and the second load amount are satisfied with a predetermined condition.