Alcohol market

using System;

namespace Alcohol_Market
{
    class Program
    {
        static void Main(string[] args)
        {
            double whiskeyPrice = double.Parse(Console.ReadLine());
            double beer = double.Parse(Console.ReadLine());
            double wine = double.Parse(Console.ReadLine());
            double rakia = double.Parse(Console.ReadLine());
            double whiskey = double.Parse(Console.ReadLine());
            double rakiaLprice = whiskeyPrice / 2;
            double wineLprice = rakiaLprice - (0.4 * rakiaLprice);
            double beerLprice = rakiaLprice - (0.8 * rakiaLprice);
            double rakiaprice = rakia * rakiaLprice;
            double wineprice = wine * wineLprice;
            double beerprice = beerLprice * beer;
            double whiskeyprice = whiskey * whiskeyPrice;
            double cost = rakiaprice + wineprice + beerprice + whiskeyprice;
            Console.WriteLine("{0:F2}", cost);
        }
    }
}