7월에&nbsp;가스&nbsp;공급&nbsp;마진이&nbsp;15~16%&nbsp;인상될&nbsp;것으로&nbsp;예상된다.<br/><br/>2ㆍ4분기&nbsp;실적에&nbsp;상반기&nbsp;공급&nbsp;마진&nbsp;인상분이&nbsp;소급&nbsp;적용되기&nbsp;때문에&nbsp;2ㆍ4분기&nbsp;영업이익은&nbsp;전년&nbsp;동기&nbsp;대비&nbsp;41.1%&nbsp;증가한&nbsp;2,952억원으로&nbsp;예상된다.<br/><br/>가스공사의&nbsp;2014년&nbsp;예상&nbsp;주가순자산비율(PBR)은&nbsp;0.6배로&nbsp;저평가&nbsp;되어&nbsp;있다.<br/><br/>자기자본이익률(ROE)는&nbsp;올해&nbsp;6.7%,&nbsp;내년에&nbsp;6.8%,&nbsp;2016년에는&nbsp;9.0%로&nbsp;상승할&nbsp;전망