public void MakeCampaing(Campaing campaing, Player player, Game game)
{
campaing.DiscountRate = game.Cost * 0.9;
Console.WriteLine("Kampanyalı fiyat " + campaing.DiscountRate + " ! ");
}
public void Message(Player player, Campaing campaing)
{
Console.WriteLine("Sayın " + player.FirstName + " "
+ player.LastName + " " + campaing.CampaingName + " size özel % 10 indirim fırsatıyla. Kampanyayı kaçırmayın!");
}