using System;

public class Program

{

    public static void Main()

    {

                    //declare integer variable for ID number

            int ID;

            //declare string variable for name

            string username;

            //declare raw amount of KW consumed to print later

            int KWconsumed;

            //declare the variable that will be manipulated based on rate

            double KWMATH;

            //declare surcharge variable

            double surcharge;

            //declares final amount variable

            double total;

​

​

            //prompts user to enter ID number

            Console.WriteLine("Please Enter ID Number: ");

            ID = Convert.ToInt32(Console.ReadLine());

​

            //prompts user to enter name

            Console.WriteLine("Please Enter Name: ");

            username = Console.ReadLine();

​

            //prompts user to enter amount of KW used

            Console.WriteLine("Please Enter the Amount of KW Consumed this Month: ");

            KWconsumed = Convert.ToInt32(Console.ReadLine());

​

            //if else statements, calculates rate and prints ID, name, KW used, and finally the total bill

            //0-199

            if (KWconsumed <= 199)

            {

                KWMATH = (KWconsumed * 1.20);

​

                Console.WriteLine("Hello {0}, ID number: {1}. You consumed {2}KW of energy this month. Our rate for this amount is $1.20 per KW. This brings you to a grand total of ${3}", username, ID, KWconsumed, KWMATH);

                Console.ReadLine();

            }

            //199-400

            else if (KWconsumed > 199 && KWconsumed < 400)

            {

                KWMATH = (KWconsumed * 1.50);

​

                Console.WriteLine("Hello {0}, ID number: {1}. You consumed {2}KW of energy this month. Our rate for this amount is $1.50 per KW. This brings you to a grand total of ${3}", username, ID, KWconsumed, KWMATH);

                Console.ReadLine();

            }

            //400 and up have a %15 surcharge on top of the total

            //400-600

            else if (KWconsumed >= 400 && KWconsumed < 600)

            {

                KWMATH = (KWconsumed * 1.80);

                surcharge = (KWconsumed * 1.80) * 0.15;

                total = (KWMATH + surcharge);

​

                Console.WriteLine("Hello {0}, ID number: {1}. You consumed {2}KW of energy this month. Our rate for this amount is $1.80 per KW (${3}) plus a surcharge of %15 (${4}) of the total because you exceeded the 400KW limit. This brings you to a grand total of ${5}", username, ID, KWconsumed, KWMATH, surcharge, total);

                Console.ReadLine();

            }

            //600+

            else if (KWconsumed >= 600)

            {

                KWMATH = (KWconsumed * 2.00);

                surcharge = (KWconsumed * 2.00) * 0.15;

                total = (KWMATH + surcharge);

​

                Console.WriteLine("Hello {0}, ID number: {1}. You consumed {2}KW of energy this month. Our rate for this amount is $2.00 per KW (${3}) plus a surcharge of %15 (${4}) of the total because you exceeded the 400KW limit. This brings you to a grand total of ${5}", username, ID, KWconsumed, KWMATH, surcharge, total);

                Console.ReadLine();

            }

    }

}