// variables
        int year = 1;
        int arrivals = 0;
        int population = 100;
        int acres = 1000;
        int harvested = 0;
        int rats = 5;
        int trading = 18;
        int ratsAte = 0;
        int bushels = 2800;
        int bushelsHarvested = 0;
        int bushelsTrading = 0;
        int plague = 0;
        int died = 0;
        double averageStarved = 0;
        double averageAcres = 0;
        double totalStarved = 0;
        int plagueDeaths = 0;
        int starved = 0;




        Series peopleSeries;
        Series bushelSeries;



        private void btnAllocate_Click(object sender, EventArgs e)

        {

            // moves the game forward a year every time the allocate button is clicked
            year = year + 1;

            // random amount of people come to the city
            Random random = new Random();
            arrivals = random.Next(1, 16);

            // plague that halfs the population
            Random random4 = new Random();
            plague = random.Next(1, 21);
            if (plague == 1)
            {
                plagueDeaths = population / 2;
                MessageBox.Show("You were hit by a plague, half your population died", "Plague", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                pnlPlague.Visible = true;
                lblPlague.Text = plagueDeaths + " Died";
            }
            else
            {
                plagueDeaths = 0;

            }

            // new population tota
            population = population + arrivals - plagueDeaths - died;

            // randomised number for trading
            Random random3 = new Random();
            trading = random.Next(17, 27);



            //randomised number of bushels harvested per acre
            Random random1 = new Random();
            harvested = random.Next(1, 6);

            // possibilty of rats
            Random random2 = new Random();
            rats = random.Next(1, 11);



            // calculates the amount of bushels harvested and stores it in a variable

            bushelsHarvested = harvested * int.Parse(txtSeed.Text);

            // adds the bushels harvested to the users bushels
            bushels = bushels + bushelsHarvested;

            // works out how much rats have eaten
            if (rats == 5)
            {
                ratsAte = bushels * 10 / 100;
                lblRats.Text = "Rats ate " + ratsAte + " bushels.";
                MessageBox.Show("Rats ate " + ratsAte + " bushels");

            }
            else
            {
                ratsAte = 0;
                lblRats.Text = "Rats ate 0 bushels";

            }

            // takes the amount of bushels that the rats ate away fromthe remaining bushels
            bushels = bushels - ratsAte;

            // adds the amount died from starvation each year to a variable
            averageStarved = died + averageStarved;
            totalStarved = averageStarved;


            pbBushels.Value = bushels;
            pbPeople.Value = population;

            // array
            int[] starved = new int[10];
            int average, sum = 0;

            for (int i = 0; i<10; i++)
            {
                sum = sum + starved[i];
            }

            if (year == 11)
            {
                average = sum / 10;
                label11.Text = average + " people died on average each year";
            }

            // end of year evaluation
            if (year == 11)
            {   pnlEvaluation.Visible = true;
                pnlResults.Visible = true;
                lblResultsTitle.Visible = true;
                averageAcres = acres / population;
                averageStarved = averageStarved / 10;
                lblAverageAcres.Text = "You started with an average of 10 acres per person and ";
                lblAverageAcres2.Text = "ended with an average of " + averageAcres + " per person.";
                lblAverageStarved.Text = averageStarved + " people starved on average every year, ";
                lblAverageStarved2.Text = totalStarved + " in total died during your reign.";

                //
                if (averageAcres <= 7 && averageStarved > 0)
                {
                    lblEvaluation.Text = "Due to your reckless missmanagement of resources the people ";
                    LBLEvaluation2.Text = "find you a horrible and disgusting ruler and want you beheaded.";
                }
                if (averageAcres >= 13 && averageStarved < 1)
                {
                    lblEvaluation.Text = "You have managed to keep every fed and happy over the years, ";
                    LBLEvaluation2.Text = "your people are looking forward to your next reign.";
                }
                if ((averageAcres > 7 && averageAcres < 13  ) && (averageStarved == 0))
                {
                    lblEvaluation.Text = "You have had a very average reign and your people expected more, ";
                    LBLEvaluation2.Text = "Improvement need or yoou may be overthrown.";
                }

                return;
            }





            // resets the textboxes
            txtBuySell.Text = "";
            txtFeeding.Text = "";
            txtSeed.Text = "";

            // changing the lables to show the new information remaining labels
            lblNewPeople.Text = arrivals + " people came to the city.";
            lblHarvest.Text = "You harvested " + harvested + " bushels per acre.";
            lblPopulation.Text = "The city population is now " + population;
            lblTrading.Text = "land is trading at " + trading + " bushels per acre.";
            lblYear.Text = "In Year " + year + ", " + died + " people starved.";
            lblBushels.Text = "You now have " + bushels;
            lblRemaining.Text = bushels + " Bushels";
            lblPeople.Text = population + " people";