Problem to be solved.A system including a server computing device that is connected to a client computer and predicts the working hours of the employees, wherein the server computing device is configured to store a per employee real working time percentage The working hours are calculated based on the data storage section, the employee's work start time and the working end time, and the first working hours are calculated to calculate the first working hours by calculating the first working hoursThe controller comprises a control section.Diagram
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