It is estimated that in 2558 the world economy will grow in many countries. From stimulus policies of individual countries. The US, China, the economy of the European Union. This seems to be through the worst already. I believe we will be able to expand slowly, however, the political opposition in both countries. And abroad May also have a direct effect on the economy in 2557 In addition, competition in the aviation business to be sharpened. Fluctuations in exchange rates and production costs are higher. It is a risk factor that could affect the operations of the Company.