pnscs

    public struct Employee {
        public string ID, grade;
        public int salary;
    }
    class Program {
        static void Main(string[] args) {
            Console.Write("How many employee in department: ");
            int n = int.Parse(Console.ReadLine());
            Employee[] data = new Employee[n];
            for(int i = 0; i < n; i++) {
                data[i].ID = readLine("emp ID");
                Console.Write("Input emp salary:");
                data[i].salary = int.Parse(Console.ReadLine());
                data[i].grade = readLine("emp grade");
                Console.WriteLine();
            }

            for (int i = 0; i < n; i++) {
                evalEmp(data[i]);
            }
            Console.ReadKey();
        }
        static void evalEmp(Employee emp) {
            double newSal = emp.salary;
            switch (emp.grade.ToLower()) {
                case "a":
                    newSal += newSal * 0.05;
                    break;
                case "b":
                    newSal += newSal * 0.03;
                    break;
                case "c":
                    newSal += newSal * 0.02;
                    break;
            }
            Console.WriteLine("EMP ID: {0} get {1:n} Baht",emp.ID,newSal);

        }
        static string readLine(string name) {
            Console.Write("Input {0,-15} : ", name);
            return Console.ReadLine();
        }

    }