유가&nbsp;40달러대로&nbsp;떨어지면서<br/>저유가&nbsp;추세&nbsp;뚜렷해지고<br/>영업익&nbsp;상승은&nbsp;지속&nbsp;될&nbsp;듯&nbsp;함<br/>유류비&nbsp;비중이&nbsp;높은&nbsp;만큼&nbsp;비용&nbsp;절감이&nbsp;큰&nbsp;폭으로&nbsp;가능해&nbsp;질&nbsp;듯.<br/>LCC에&nbsp;대한&nbsp;기대감도&nbsp;여전!