private void SetupAnnotations()
        {
            int tmp = area1.CalcXPos(area1.Count - 2) +
                      ((area1.CalcXPos(area1.Count - 1) - area1.CalcXPos(area1.Count - 2)) / 2);
            Rectangle chartRect = tChart1.Chart.ChartRect;

            if (annotation1 == null)
            {
                annotation1 = new Steema.TeeChart.Tools.Annotation(tChart1.Chart);
            }
            annotation1.Text                 = "Total = " + area1.MaxXValue().ToString() + " consoles sold";
            annotation1.Shape.Font.Bold      = true;
            annotation1.Shape.Transparent    = true;
            annotation1.Shape.CustomPosition = true;
            annotation1.Shape.Left           = tmp - 80;
            annotation1.Shape.Top            = chartRect.Top + 20;

            if (annotation2 == null)
            {
                annotation2 = new Steema.TeeChart.Tools.Annotation(tChart1.Chart);
            }
            annotation2.Text                 = "Average price " + average.MaxYValue().ToString() + " €";
            annotation2.Shape.Font.Bold      = true;
            annotation2.Shape.Font.Color     = Color.Red;
            annotation2.Shape.Transparent    = true;
            annotation2.Shape.CustomPosition = true;
            annotation2.Shape.Left           = tmp;
            annotation2.Shape.Top            = average.CalcYPos(0) - 15;
        }