using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Invest Calculatior");

        Console.WriteLine("How Much Would you Like to Invest?"); //Take in the base value of how much subject wants to invest

        double b = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("What is your investment rate?(Must be positive,%)"); //Find investment rate

        double r = Convert.ToInt32(Console.ReadLine());

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        r = r/100;

        double i =0;

        int y =0;

​

        Console.WriteLine("{0,4}{1,30:C2}{2,30:C2}","Year","Intrest","Balance");

        Console.WriteLine(new string ('-',64));

​

        while(b<=1000000000){ //Repeat process until the balance reaches 1000000000

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            ++y;

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            i = b*r; //intrest ='s the balance by the rate

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            b = b+i; //The new balance =ballance + the rate

​

​

            Console.WriteLine("{0,4}{1,30:C2}{2,30:C2}",y,i,b);

        }

        Console.WriteLine(new string ('_',64));

        Console.WriteLine("it will take " +y+ " years to reach one billion dollars.");

​

​

​

​

​

    }

}

​