using System;

public class Program

{

    public static void Main()

    {

        double pounds;

        int decision;

        double totalcost;

        double oz;

        double totalrev;

        double totalprofit;

        int count=0'

        {

    Console.WriteLine("Press'1' for calculation and '2' for end");

        decision=int.Parse(Console.ReadLine());

        switch(decision)

                      {

                          case 1: 

        Console.WriteLine("Please enter amount of pounds");

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

            {

            Console.Write(oz=(pounds*16));

            Console.WriteLine("oz.");

            Console.Write("total revenue = $");

            Console.WriteLine(totalrev=(oz*0.25));

            Console.Write("Total Cost = $");

            Console.WriteLine(totalcost=(oz*0.55));

            Console.Write("PROFIT = $");

            Console.WriteLine(totalprofit=(totalcost-totalrev));

            }

     break;                   

                    case 2:

                    Console.WriteLine("Thank you and youre welcome....come back again");

    break;

                    }

        }

        }

    }

​

​