South Korea's second largest carrier Asiana Airlines says.... it received "unqualified" audit opinion from auditor Samil PricewaterhouseCoopers on Tuesday,.... meaning the airline complies with accounting standards.<br />This comes after the auditor originally gave the carrier a "qualified" audit opinion on Friday,.... saying it couldn't determine the value of Asiana Airlines due to lack of information regarding its liabilities.<br />The airlines said Tuesday..... the company made six-point-three billion U.S. dollars in sales revenue,.... up around nine percent on-year. <br />Operating profit fell almost 90 percent on-year to 25 million dollars.<br />Asiana added that,.... it will work to earn back market trust with stricter accounting standards. <br />