一个小公司的工资管理系统。该公司主要有4类人员：经理、兼职技术人员、销售员和销售经理。要求存储并显示每类人员的编号（从100起编号）、姓名和月薪，同时给出在创建每一类对象时构造函数的执行顺序（月薪计算方法为：经理固定月薪8000元，兼职技术人员100元/小时，销售员为当月销售额的4％，销售经理保底工资5000元另加其所管部门销售额的5％），要求用虚函数实现。-The wages of a small company management systems. The company has 4 main categories of personnel: managers, part-time technical staff, marketing and sales manager. Requirements of storage and display of the number of each type of personnel (from the 100 number), name and a monthly salary, at the same time given in the creation of each type of object constructor the implementation of the order (with a monthly salary calculated as follows: a fixed monthly salary of 8,000 yuan manager, part-time technical staff 100 yuan/hour, sales for the month to 4　of sales, sales manager for security at the end of the wage plus 5,000 in the possession of 5　of sales), requires the realization of virtual function.