SEOUL, Kangwon Land Inc. on Wednesday reported its first-quarter net profit of 92.9 billion won (US$68.1 million), down 8.5 percent from a year earlier.Operating income for the January-March period was 75.9 billion won, up 8.9 percent from a year ago, the company said in a regulatory filing. Revenue rose 2.9 percent to 368.4 billion won.(END)