[Solved]-Drawing horizontal lines parallel to x axis using highcharts.js-Highcharts

var chart = new Highcharts.Chart({
  chart: {
    renderTo: 'container',
    defaultSeriesType: 'column',
    borderWidth: 1,
    borderColor: '#ccc',
    marginLeft: 110,
    marginRight: 50,
    //backgroundColor:'#eee',
    //plotBackgroundColor:'#fff',
  },
  title: {
    text: 'Pareto Test 1'
  },
  legend: {

  },
  tooltip: {
    formatter: function() {
      if (this.series.name == 'Line') {
        var pcnt = Highcharts.numberFormat((this.y / 415 * 100), 0, '.');
        return pcnt + '%';
      }
      return this.y;
    }
  },
  plotOptions: {
    series: {
      shadow: false,
    }
  },
  xAxis: {
    categories: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],
    lineColor: '#999',
    lineWidth: 1,
    tickColor: '#666',
    tickLength: 3,
    title: {
      text: 'X Axis Title',
      style: {
        color: '#000'
      }

    }
  },
  yAxis: [{
    min: 0,
    //endOnTick:false,
    //lineColor:'#999',
    lineWidth: 1
      //tickColor:'#666',
      //tickWidth:1,
      //tickLength:3,
      //gridLineColor:'#ddd',
      /* title:{
          text:'Y Axis Title',
          rotation:0,
          margin:50,
          style:{
              color:'#000'
          }
      }*/
  }, {
    title: {
      text: ''
    },
    //alignTicks:false,
    gridLineWidth: 0,
    lineColor: '#999',
    lineWidth: 1,
    tickColor: '#666',
    tickWidth: 1,
    tickLength: 3,
    tickInterval: 415 / 20,
    endOnTick: false,
    opposite: true,
    linkedTo: 0,
    labels: {
      formatter: function() {
        var pcnt = Highcharts.numberFormat((this.value / 415 * 100), 0, '.');
        return pcnt + '%';
      }
    },
    plotLines: [{
      color: '#FF0000',
      width: 2,
      value: .80 * 415 // Need to set this probably as a var.
    }]
  }],
  series: [{
    //yAxis:0,
    data: [115, 75, 60, 55, 45, 30, 20, 15]
  }, {
    type: 'line',
    name: 'Line',
    //yAxis:0,
    data: [115, 190, 250, 305, 350, 380, 400, 415]
  }]
});

<script type="text/javascript" src="http://code.highcharts.com/highcharts.src.js"></script>
<div id="container" style="height: 400px"></div>