) Notes: /1 Other income comprises mainly of interest income and services revenue Cost of Goods Sold Cost of goods sold for the years ended 31 December 2018 and 2019 stood at THB 412.35 million and THB
% YoY, and 12% QoQ resulted from a lower sale volume of high-priced devices. The profit margin from selling SIM and device stood around -4.2% in 3Q19, similar to previous quarter. Cost & Expense Cost of
% YoY, and 12% QoQ resulted from a lower sale volume of high-priced devices. The profit margin from selling SIM and device stood around -4.2% in 3Q19, similar to previous quarter. Cost & Expense Cost of
plants of Baht 2,340 million. As for GPSC’s SPP plants, gross profit decreased by Baht 38 million due to the growth of cost of natural gas following the rise in both quantity required and average price. In
continue to has expenses which are fix cost which are animal feed, utilities for instance. Though, the company has managed its costs, internal resources, business operation and the cash flow to the maximized
raw materials in the world market. At the same time, the average cost of raw material was adjusted lower slower than the lower selling price in market. 4 (Unit: Baht million) Consolidated balance sheets
from sales & service 810.47 744.99 65.48 8.8% Other income 6.47 7.06 -0.59 -8.4% Total revenue 816.94 752.05 64.89 8.6% Cost of goods sold & service 700.82 646.00 54.82 8.5% Selling expenses 14.83 19.87
12,547 12,416 Gross profit margin (%) 22.84% 25.49% 26.48% Consolidated financial ratios 2018 2017 2016 Financial data and profitability ratios (continuous) Operating expense (include Research and
baht 10,474 12,123 12,547 Gross profit margin (%) 20.47% 22.84% 25.49% ratiosConsolidated financial 2019 2018 2017 Financial data and profitability ratios (continuous) Operating expense (including
by the reduction in cullet price (cullet represents 30% of production cost of the glass bottle used as a packaging). In June 2018, cullet price dropped by 10% from late 2017 in corresponding with its