public static void Main()
Console.WriteLine("Hello World");
public class CustomerInformation
public int CustomerId { get; set; }
public string CustomerName { get; set; }
public DateTime SignUp { get; set; }
public char CustomerGrade { get; set; }
public decimal CustomerMonthlyAmount { get; set; }
public int SalesRepId { get; set; }
public int TechId { get; set; }
public int CustomerAddress { get; set; }
public List<int> Equipment {get; set; }