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# Answer to Question #41521 in C# for Mridul Mehendiratta

Question #41521
The application used to calculate the cost of carrying additional luggage results in erroneous amount, if the weight of the luggage is a fractional number. Help the development team modify the code snippet so that the cost of carrying additional luggage is calculated correctly.
1
2014-05-05T14:27:13-0400
﻿﻿using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace Question38623{    class Program    {        static void Main(string[] args)﻿        {            int pos = 3;            ConsoleKeyInfo key;            Console.WriteLine("Please select your travelling class: \n(use arrows keys UP, DOWN , ENTER - to submit, ESC - Exit)\n");            Console.WriteLine("A - 40kg max      *");            Console.WriteLine("B - 25kg max");            Console.WriteLine("C - 15kg max");            do            {               key=Console.ReadKey(true);                switch(key.Key)                {                    case ConsoleKey.UpArrow:                         Console.SetCursorPosition(18, pos);                        Console.Write(" ");                        if (pos == 3) pos = 5;                        else pos--;                        Console.SetCursorPosition(18, pos);                        Console.Write("*");                        break;                    case ConsoleKey.DownArrow:                         Console.SetCursorPosition(18, pos);                        Console.Write(" ");                        if (pos == 5) pos = 3;                        else pos++;                        Console.SetCursorPosition(18, pos);                        Console.Write("*");                        break;                    case ConsoleKey.Escape: Environment.Exit(0); break;                }            } while (key.Key != ConsoleKey.Enter);                   Console.SetCursorPosition(0,8);            Console.Write("Please enter weight of your luggage: (WHOLE number only)\n");            string s_weight ;            long weight;            bool pass;                                     s_weight=Console.ReadLine();                pass = Int64.TryParse(s_weight, out weight);                if (!pass||weight<0)                 {                     Console.WriteLine("\nWrong Input. Good Bye");                    Console.ReadKey();                    Environment.Exit(0);                }                switch (pos)                {                    case 3:                        if (weight > 40)                        {                            Console.WriteLine("Additional payment " + ((weight - 40) * 2) + "$"); } else { Console.WriteLine("No Additional payment"); } break; case 4: if (weight > 25) { Console.WriteLine("Additional payment " + ((weight - 25) * 2) + "$");                        }                        else                        {                            Console.WriteLine("No Additional payment");                        }                        break;                    case 5:                        if (weight > 15)                        {                            Console.WriteLine("Additional payment " + ((weight - 15) * 2) + "\$");                        }                        else                        {                            Console.WriteLine("No Additional payment");                        }                        break;                }            Console.Read();        }    }}

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