         memo
       , {}
       weeks = _.flatten @model.getAssignments().map (assignment) =>
-        assignment.work_weeks.between(@begin, @end).models
+        assignment.work_weeks.between(@begin, @begin + @count * WEEK_IN_MILLISECONDS).models
       
       aggregates = _.reduce weeks, (memo, week) ->
         memo["#{week.get('year')}-#{week.get('cweek')}"]['estimated_hours'] += (week.get("estimated_hours") or 0)

          year: aggregate.year

  render: ->
    @$el.empty()
    svg = d3.select(@el)
      .attr('width', @chartWidth)

    @height = 75 || @options.height
    @barWidth = 35 || @options.barWidth
    
    @chartWidth = @count * 40

    @maxHeight = @options.maxHeight
