inspection results in the 3 inspection cycle (2017-2018); the score in each element of the quality control system of most audit firms was higher than that during the 2 cycle, notably the ‘monitoring’ element

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

gross margin to sales decreased by 3.6 percent mainly from the seaweed cost increase by more than 20% as the quantity of seaweed production in China in the production cycle of the year 2017 decreased by

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

: Sales and volume sold, by Product mix (PCB Sales @ Factory price) % Incr. (Decr.) Y-o-Y Q-o-Q PD-Mix 1Q19 2Q19 3Q19 4Q19 Y2019 1Q20 1Q20 / 1Q19 1Q20 / 4Q19 02 SALES-US$ 13,099,949 13,026,667 12,913,836