highlighted below; (Unit : Million Baht) Separate financial statements Q1/2019 Q1/2018 % Change Sales and Service Income 485 467 4 Cost of Sales and Services 388 384 1 Selling and Administrative Expenses 44 51
% Revenue from social security 197.53 164.68 20% Revenue from Hospital Operations 445.88 382.92 16% Cost of hospital operations 285.42 257.36 11% Gross margin 160.45 125.57 28% % Gross margin 36% 33% 3
below; (Unit : Million Baht) Separate financial statements Q2/2019 Q2/2018 % Change Sales and Service Income 1,001 934 7 Cost of Sales and Services 800 759 5 Selling and Administrative Expenses 87 99 (12
previous year were as highlighted below; Separate financial statements (Unit : Million Baht) Q2/2019 Q2/2018 % Change 6 Month 2019 6 Month 2018 % Change Sales and Service Income 516 467 10 1,001 934 7 Cost
117.29 102.12 92.86 15.17 14.86 24.43 26.31 219.41 181.72 37.69 20.74 Cost of services 107.97 99.60 95.88 8.37 8.40 12.09 12.61 207.57 188.60 18.97 10.06 Gross profit (loss) 9.32 2.52 -3.02 6.80 269.84
e d) Construction income 28.97 150.24 -121.27 -80.72 Service income 0.00 9.71 -9.71 -100.00 Other income 1.65 1.75 -0.1 -5.71 Total Revenues 30.62 161.70 -131.08 -81.06 Cost of constuction 27.87
organizations under the newly introduced framework are public organization, provincial administration organization, municipality, Bangkok Metropolitan Administration, Pattaya City and juristic person established
investment in this quarter. Cost of service amounted to Baht 2,026 Million represented a decrease from the same quarter of the previous year by Baht 565 Million or 21.8 percent mainly from the decrease in
company has changed the classification of operating income and cost of sales resu lting in the operating income until the gross profit being reported differently from the previous periods Operating
electricity dispatched to Electricity Generating Authority of Thailand (EGAT) under the SPP – Firm contract. In addition, GPSC has managed to improve the profitability in 2017 as a result of efficient cost