//Used to keep count of stock after orders become passive
public void UpdateCount(Element orderElement)
{
var index = List_of_stock.FindIndex(b => b.Code == orderElement.Code);
List_of_stock[index].Quantity_in_stock -= 1;
}
//Update count of stock when elemets have been orderd from suppliers
public void UpdateStockCount(Element stockElement)
{
var index = List_of_stock.FindIndex(b => b.Code == stockElement.Code);
List_of_stock[index] = stockElement;
}
