Andrey and billiard

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7.Andrey_and_billiard
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            var productPrice = new Dictionary<string,double>();
            for (int i = 0; i < n; i++)
            {
                var currentText = Console.ReadLine().Split('-').ToArray();
                productPrice[currentText[0]] = double.Parse(currentText[1]);
            }
            var listCustomers = new List<Customer>();
            string nameProductQnty = Console.ReadLine();

            while (!nameProductQnty.Equals("end of clients"))
            {
                var takeNameArr = nameProductQnty.Split('-').ToArray();
                var takeproductQntyArr = takeNameArr[1].Split(',').ToArray();
                var cuurentCustomer = new Customer();
                cuurentCustomer.name = takeNameArr[0];
                cuurentCustomer.productQnty = new Dictionary<string, double>();
                cuurentCustomer.productQnty[takeproductQntyArr[0]] = double.Parse(takeproductQntyArr[1]);
                listCustomers.Add(cuurentCustomer);
                nameProductQnty = Console.ReadLine();
            }
            //---------------------------------------------------------------------------------------------
            var listBills = new List<double>();
            foreach (var item  in listCustomers.OrderBy(x=>x.name))
            {
                foreach (var product in item.productQnty.Keys)
                {

                    if (productPrice.Keys.Contains(product))
                    {
                        Console.WriteLine(item.name);
                        Console.WriteLine($"-- {product} - {item.productQnty[product]}");
                        Console.WriteLine("Bill: {0:f2}", item.productQnty[product]*productPrice[product]);
                        listBills.Add(item.productQnty[product] * productPrice[product]);
                    }
                }
            }
            var sumListBills = listBills.Sum();
            Console.WriteLine("Total bill: {0:f2}",sumListBills);
            //---------------------------------------------------------------------------------------------
        }
    }
    public class Customer
    {
        public string name { get; set; }
        public Dictionary<string, double> productQnty { get; set; }

    }
}