0% 18 18 13 6 -45% Total expenses 514 517 652 (135) -21% 1,022 1,029 1,114 (85) -8% Cost of sales 424 419 519 (100) -19% 846 839 892 (53) -6% Cost of service 5 5 4 1 40% 16 16 8 8 98% Selling expenses
to increase of export sales increased by Baht 10.95 million and local sales increased by Baht 1.45 million. 2) Cost of sales increase by Baht 4.38 million mainly from increase from employee benefit
11.9% from the quarter 1/2017, mainly due to decrease of export sales and exchange rate. 2) Cost of sales decreased by Baht 8.0 million. The decreased of cost of sales due to decrease of sales. The cost
compared to last year which was charged in 1st quarter. Total expenses increased by Baht 75 million as compared to the same period last year which is generally caused by the following: Cost of hotel
%, decreased by 2.80% as a result of the higher cost while the price is not increased from the Covid-19 outbreak. The decrease in sales and gross profit margin in 1 and 2 make a decrease of 351.81 million baht
granted a license from China Food and Drug Administration (CFDA) during the beginning of 2018 as the Company had to redesign and adjust product packaging according to the granted license as well as change
cost structure products. Selling and Administration Expenses • Selling expenses to total revenue ratio rose by 0.28% YoY resulting primarily from decreasing in total revenue. • Administrative expenses to
comprehensive income for the year ended 31 December (Unit : Million Baht) 2017 2016 Change % Change Operating revenue 1,580.25 1,411.68 168.58 11.94% Operating cost 1,335.73 1,217.44 Gross profit 244.53 194.24
% increase compare to the same period of previous year due to an interest received from current investment and revenue from sale of Printed Block. 2. Cost of sale , Profit margin For Quarter1 of the year 2019