/// <summary>
/// It lists all the skis, that have promotion.
/// </summary>
/// <param name="shopLogic">Logic for Orders repository and SkiEqupments repository.</param>
public static void PromotionOver170(ShopLogic shopLogic)
{
foreach (var item in shopLogic?.PromotionOver170())
{
Console.WriteLine(item);
Console.ReadLine();
}
}