higher proportion than selling price increase as well as Graphite Electrode’s price which is a part of conversion cost still high in this quarter. On a YoY basis, the Company and subsidiary had total net
decrease of production together with Graphite Electrode’s price which part of conversion cost higher than same period of last year. Performance Revenue from sale and cost of sale Total revenue from sales and
conversion cost which has increased by 316% from the same quarter of last year which are mainly caused by the increasing price of graphite electrode and higher repair and maintenance cost and the proportionate
was associated with the level of capacity utilization, product mix, production efficiency, LME copper price and foreign currency exchange rate in the period. During 2019, the production of special grade
million). In addition, the decrease in Sales was due to product mix (Table 5) and an adverse effect of unrealized consignment sales (Table 3, unrealized revenue amounted to Bt115 million in 2018). Cost of
to change in product sales mix of both general merchandise and directly sourced private-label goods, product assortment planning and increasing in gross profit margin from Mega Home and HomePro in
26.98% to 26.72 % as a result of the changing sales mix that each product line contributed to total sales. Table 4: Cost of Goods Sold by Type of Expenses for the Three Months Period Ended 31 March (YoY
32,458,147 7,266,594 (11.19) (1.09) Table 5: Sales and volume sold, by Product mix (PCB Sales @ Factory price) % Incr.(Decr.) Y-o-Y Q-o-Q PD-Mix 1Q18 2Q18 3Q18 4Q18 Y2018 1Q19 1Q19 /1Q18 1Q19/ 4Q18 02 SALES-US
% in previous year to 26.43% due to change in product sales mix of general merchandise and the enhancement of directly sourced private-label goods’ profit margin, as well as the continuous efficiency
mix of both general merchandise and directly sourced private-label goods. Furthermore, there was a continuous improvement in product assortment planning from HomePro. 3. Selling and administrative