Exception principle: refers to the senior management personnel of the enterprise, which delegates general daily affairs to subordinate managers to take charge of management, retains exceptions, and generally also makes important decisions and control of important matters. According to the above definition, which of the following is exceptions? ["The chairman of a company is mainly responsible for all the company's affairs, while the general manager is responsible for maintaining the relationship with the cooperation unit.", "In a company's reimbursement system, those under 500 yuan are reviewed and approved by the department manager.", 'The general manager has the right to determine the part-time and full-time personnel of a management center.', 'At the weekly regular meeting, all middle managers must report the work summary for this week and the work plan for next week to the general manager.']