1. Select the four (4) statements that can be inserted at line n1. public class Employee { public int salary; 一 public class Manager extends Employee { public int budget; } public class Director extends Manager { public int stockOptions; 一 public static void main(String[ ] args) { Employee employee = new Employee(); Manager manager = new Manager(); Director director = new Director(); employee.salary = 50000; director.salary = 80000; employee.budget = 20000; manager.budget = 100000; manager.stockOptions = 500; director.stockOptions = 1000; %3D //line n1 } }