Program Specifications Employee management system includes some functions are work for creating, updating, deleting as well as searching. Create two classes with two kinds of employee: Manager Staff All employees have common attributes: id, name, birth year, email, coefficients salary (float) and employee type. There are two values of employee's type: 1: for Manager 2: for Staff However, each kind of employee has addition different attributes: Manager: position coefficient (float) Staff: department 1. Main Screen as below: WELCOME TO EMPLOYEE MANAGEMENT 1. Create 2. View all employee information 3. View the employee's information has the highest total salary 4. Exit 2. Function details