TradeComissions

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

namespace TradeComissions
{
    class Program
    {
        static void Main(string[] args)
        {
            string town = Console.ReadLine().ToLower();
            var sales = double.Parse(Console.ReadLine());
            var commission = 0.0;
            switch (town)
            {
                case "Sofia":

                    if (0 <= sales && sales <= 500)
                    { commission = 0.05; }
                    if (500 < sales && sales <= 1000)
                    { commission = 0.07; }
                    if (1000 < sales && sales <= 10000)
                    { commission = 0.08; }
                    if (sales > 10000)
                    { commission = 0.12; }
                    break;
                case "Varna":

                    if (0 <= sales && sales <= 500)
                    { commission = 0.045; }
                    if (500 < sales && sales <= 1000)
                    { commission = 0.075; }
                    if (1000 < sales && sales <= 10000)
                    { commission = 0.1; }
                    if (sales > 10000)
                    {commission = 0.13;}
                    break;
                case "Plovdiv":

                    if (0 <= sales && sales <= 500)
                    { commission = 0.055; }
                    if (500 < sales && sales <= 1000)
                    { commission = 0.08; }
                    if (1000 < sales && sales <= 10000)
                    { commission = 0.12; }
                    if (sales > 10000)
                    { commission = 0.145; }
                    break;
            default:
                    Console.WriteLine("error");
            }
            Console.WriteLine("{0:f2}", commission * sales);
                    }

        public static int sales { get; set; }
    }
}