//Compute the discounted price.

using System;

namespace prac_2
{
    class discount
    {
        static void Main()
        {
            double emailusage;

            const double emaildata = 0.02731;

            int month = 30;

            int gig = 1024;

            Console.WriteLine("In a typical day, how often do you do these activities while");
            Console.WriteLine("you're not connected to any wifi?");
            Console.WriteLine();
            Console.WriteLine("Emails:");
            Console.WriteLine("0      5      25      50      100      250+");
            Console.WriteLine("How many emails [without attachments] do you send/receive? ");

            emailusage = double.Parse(Console.ReadLine());

            emailusage = (emailusage * emaildata * month / gig);

            Console.WriteLine(emailusage);
        }
    }
}