The exception principle refers to the senior management personnel of the enterprise, which delegates general daily affairs to subordinate managers to handle it, and reserves its own decision-making and control rights for exceptions that are generally important. According to the above definitions, Which of the following are exceptions: (). ['The chairman of a company is mainly responsible for all matters within the company, while the general manager is responsible for maintaining the relationship with the cooperation unit.', 'At the weekly regular meetings, all middle managers must report the work summary for this week and the work plan for next week to the general manager.', 'The deputy general manager of a management center has the right to determine the deputy general manager, while the general manager of the full-time personnel has the right to decide.', "In a company's accounting system, departments under 500 yuan must be approved by the department, while those over 500 yuan need the approval of the general manager."]