/// <summary>
/// Print result
/// </summary>
/// <param name="delivery"></param>
public static void Print(this IDelivery delivery)
{
var rule = delivery.Rule.GetDescription();
var cost = delivery.GetCost();
Console.WriteLine("Category: {0}", rule);
if (cost != null)
{
Console.WriteLine("Cost: ${0}", cost);
}
else
{
Console.WriteLine("Cost: N/A");
}
}
