public static void Main(string[] args)
{
Approver chainOfApprovers = GetChainOfApprovers();
Console.WriteLine("PHONE LOAN");
chainOfApprovers.ApproveLoan(123);
Console.WriteLine("\nBIKE LOAN");
chainOfApprovers.ApproveLoan(1234);
Console.WriteLine("\nHOUSE LOAN");
chainOfApprovers.ApproveLoan(12345);
}
public void SetNextApprover(Approver a)
{
this.nextApprover = a;
}