public static void Main(string[] args)
{
Approver director = new Director();
Approver vicePrez = new VicePresident();
Approver prez = new President();
director.SetSuccessor(vicePrez);
vicePrez.SetSuccessor(prez);
Purchase asset1 = new Purchase(2500, 300, "Short-term supplies");
director.ProcessRequest(asset1);
Purchase asset2 = new Purchase(2491, 50000, "Long-term supplies");
director.ProcessRequest(asset2);
Purchase asset3 = new Purchase(2811, 200000, "Short-term supplies");
director.ProcessRequest(asset3);
Console.ReadKey();
}