public static void UpdatePrice(AggregateListing listing, HotItem hotItem)
{
hotItem.BuyVolume = listing.BuyOffers.Quantity;
hotItem.BuyPrice = listing.BuyOffers.UnitPrice;
hotItem.SaleVolume = listing.SellOffers.Quantity;
hotItem.SellPrice = listing.SellOffers.UnitPrice;
hotItem.UpdatePriceChanged();
}