Shop

using System;
using System.Collections.Generic;

namespace shop
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Cashbox cashbox = new Cashbox();

            while (true)
            {

                Console.ReadKey();
            }
        }
    }

    class Cashbox
    {
        Queue<Client> clients = new Queue<Client>();

        public void AddClient()
        {
            clients.Enqueue();
        }

        public void ShowInfo()
        {
            for (int i = 0; i < clients.Count; i++)
            {
                Console.WriteLine(clients.Peek());
            }
        }
    }

    class Client
    {
        public int Money { get; private set; }

        Basket basket = new Basket();
        Random random = new Random();

        public Client()
        {
            int money = random.Next(1000, 15000);

            Money = money;
            basket = new Basket();
        }
    }

    class Basket
    {
        List<Product> basket = new List<Product>();

        public Basket()
        {
            PutProducts();
        }

        private void PutProducts()
        {
            Random random = new Random();
            int products = random.Next(0, 10);

            for (int i = 0; i < products; i++)
            {
                basket.Add(new Product());
            }
        }
    }

    class Product
    {
        public int Price { get; private set; }

        Random random = new Random();
        public Product()
        {
            int price = random.Next(1, 1000);
            Price = price;
        }
    }
}