operators and new comers resulting in continually intense competition in restaurant business. Cost of Sales and Gross Profit Cost of sales in 2017 totaled Baht 899.62 million, dropped Baht 100.62 million or
sales declined by 9.7% due to intense marketing competition led by strong Thai Baht. Domestic sales portion ended up at 24.9% and export sales at 75.1%. The Company reported gain from foreign exchange
had a higher impact from the decline in domestic purchasing power leading to lower prepaid usage despite an increase in tourism-related income. Competition remained intense with the market continued
. However, intense price competition resulted in 11%YoY drop in ARPU. AIS Fibre revenue in FY20 grew 22%YoY and accounted for 5.3% of AIS core service revenue. Enterprise business grew with digitalization
outflows. At the same time, the Chinese economy in the third quarter cooled amid concerns over the trade dispute between China and the US, after the US raised tariffs on certain products imported from China
from appreciation of Baht against other currencies causing lower revenue and gross profit although the company raised sales volume. For the year of 2018, the selling and administrative expenses was 27.86
currencies causing lower revenue and gross profit although the company raised sales volume. For the three-month period ended 31 March 2019, the selling and administrative expenses was 7.98 million Baht
Profit Margin of 28.690/o. This decrease in Gross Profit Margin was from appreciation of Baht against other currencies causing lower revenue and gross proflt although the company raised sales volume. For