using System;

using System.Collections.Generic;

public class Program

{   

    //Let us say your expense for every month are listed below,

        //January - 2200

        //February - 2350

        //March - 2600

        //April - 2130

        //May - 2190

    //1. In Feb, how many dollars you spent extra compare to January?

    //2. Find out your total expense in first quarter (first three months) of the year.

    //3. Find out if you spent exactly 2000 dollars in any month

    //4. June month just finished and your expense is 1980 dollar. Add this item to our monthly expense list

    //5. You returned an item that you bought in a month of April and got a refund of 200$. Make a correction to your monthly expense list based on this

    public static void Main()

    {

        Program solution = new Program();

        solution.GetResults();

    }

    public void GetResults(){

        List<int> expenses = new List<int>();

        expenses.Add(2200);

        expenses.Add(2350);

        expenses.Add(2600);

        expenses.Add(2130);

        expenses.Add(2000);

        int extraSpent = expenses[1] - expenses[0];

        Console.WriteLine($"Extra Spent in February compared to January --> {extraSpent}");

        int totalFirstQuarter = expenses[0] + expenses[1] + expenses[2];

        Console.WriteLine($"Total expense in first quarter --> {totalFirstQuarter}");

        int exactSpent = 2000;      

        foreach (int i in expenses) 

        {           

            if(i == exactSpent){

                Console.WriteLine($"Exact Spent of 2000 is available in the list -- {i}");

                break;

            }

            Console.WriteLine($"Exact Spent of 2000 is available in the list -- {expenses}");

            if(expenses[i] == 3){

            }

        }

        //Add June month to the list

        expenses.Add(1850);

    }

}