private int CheckCompany(Company c, List <MenuProduct> products)
        {
            MenuProduct[] myProducts = new MenuProduct[products.Count];
            products.CopyTo(myProducts);
            var myProdsList = myProducts.ToList();
            int sum         = 0;

            foreach (var menu in c.Menus)
            {
                for (var i = myProdsList.Count - 1; i >= 0; i--)
                {
                    var p = myProdsList[i];
                    if (menu.MenuProducts.Any(innerP => innerP.ProductId == p.ProductId))
                    {
                        myProdsList.Remove(p);
                        sum += menu.MenuProducts.Where(innerP => innerP.ProductId == p.ProductId).FirstOrDefault().ProductPrice;
                    }
                }
            }
            return(sum);
        }