Accounting System, Accounting Method and Accounting Program

摘要

A technology for achieving an environment for use of an image processing apparatus meeting the needs of users is provided. An accounting system for carrying out accounting in accordance with an image process in an image processing apparatus comprises: a function use judging unit for judging whether a first function relating to the image process is used or not; a counting unit for counting the number of sheets processed with the first function in the case of judgment in the function use judging unit that the first function is used; and an accounting amount calculating unit for adding an extra charge to an accounting amount set for the case of processing sheets of the sheet processing number counted in the counting unit with the second function whose processing performance is lower than that of the first function at a predetermined ratio of addition corresponding to the first function.