using System;

using System.Linq;

using System.Collections.Generic;

​

public class RetirementRequest {

    public int Id;

    public string FirstName;

    public string LastName;

    public decimal BenefitAmount;

}

​

public class Program

{

    public static void Main()

    {

        //Get a retirement request

        var retirementRequest = new RetirementRequest {

            Id = 1,

            FirstName = "Test",

            BenefitAmount = 0.00M

        };

        //Update the retirement request to give them

        //$100

        retirementRequest.BenefitAmount = 100M;

        //Make sure their last name is present

        retirementRequest.LastName = GetLastName(retirementRequest.Id);

        //Display information

        Console.WriteLine(retirementRequest);

    }

    public static string GetLastName(int id) {

        if (id == 1) { return "Tester"; } 

        else { return "Something else"; } 

    }

}