public static void AddProducts(Store store, int numberOfProducts)
 {
     for (int i = 0; i < numberOfProducts; i++)
     {
         double price = randomPriceGenerator.Next(2001);
         store.Add(new Product(string.Empty, (decimal)price));
     }
 }
 public static void FindProducts(Store store, int numberOfSearhes)
 {
     for (int i = 0; i < numberOfSearhes; i++)
     {
         decimal minPrice = randomPriceGenerator.Next(101);
         decimal maxPrice = randomPriceGenerator.Next(700, 2001);
         store.FindInRange(minPrice, maxPrice);
     }
 }
        public static void Main()
        {
            var store = new Store();
            stopwatch.Start();
            AddProducts(store, NumberOfProductsToAdd);
            stopwatch.Stop();
            Console.WriteLine("Time elapsed for adding: {0}", stopwatch.Elapsed);

            stopwatch.Start();
            FindProducts(store, NumberOfSearches);
            stopwatch.Stop();
            Console.WriteLine("Time elapsed for searching: {0}", stopwatch.Elapsed);
        }