namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter06.Listing06_02
{
    using Listing06_01;

    class Program
    {
        static void Main()
        {
            Employee employee1, employee2;
            // ...
        }

        static void IncreaseSalary(Employee employee)
        {
            // ...
        }
    }
}