namespace Packt.Shared;

public class BusinessClassPassenger
{
  public override string ToString()
  {
    return "Business Class";
  }
}

public class FirstClassPassenger
{
  public int AirMiles { get; set; }

  public override string ToString()
  {
    return $"First Class with {AirMiles:N0} air miles";
  }
}

public class CoachClassPassenger
{
  public double CarryOnKG { get; set; }

  public override string ToString()
  {
    return $"Coach Class with {CarryOnKG:N2} KG carry on";
  }
}