sold 3,684,363 7,549,072 (105%) - Idle cost 453,231 67,098 85% - Loss on devaluation of inventories (Reversal of) (84,820) 4,850 106% Total Cost of sale 4,052,774 7,621,020 (88%) Cost of services

3,855 7,639 50% Cost of sale - idle costs 0 58 100% Cost of sale - (Reverse of) loss on devaluation of inventories (50) 36 241% Total cost of sale 3,805 7,733 51% Selling expenses 48 94 50% Administrative

142% Cost of sale - idle costs 67 0 100% Cost of sale - (Reverse of) loss on devaluation of inventories 6 0 322995% Total cost of sale 7,591 3,105 144% Selling expenses 92 43 112% Administrative

% Cost of sale - idle costs 58 0 100% Cost of sale - (Reverse of) loss on devaluation of inventories 36 20 78% Total cost of sale 7,733 3,310 134% Selling expenses 94 42 126% Administrative expenses 126

- idle costs 0 181 100% Cost of sale - (Reverse of) loss on devaluation of inventories 6 (85) (107%) Total cost of sale 2,801 3,701 24% Selling expenses 43 45 5% Administrative expenses 116 131 11% Loss on

was 0.30 times a little higher than the year 2018 having 0.27 times which showed that the proportion of debt is also low level, when comparing to the equity. Return on Equity (ROE) According to the

year 2016 at 3.80 % in average. Debt to Equity Ratio In 2017, the Company had a ratio of debt to equity was 0.29 times a little higher than the year 2016 having 0.28 times which showed that the

, very little engineering revenue in 1Q 2018 despite the fixed cost in the company resulted in a negative contribution however there are promising projects in the pipeline which have considerable upside

292.87 million and THB 263.02 million respectively. This is equivalent to a decrease of 11.35% compared to the same period last year. In addition, sales expenses to sales revenue ratio edged up a little

edged up a little from 35.04% to 37.80% as the Company incurred marketing expenses from new products launched in October. Table 7: Sales Expenses by Type of Expenses for the Three Months Period Ended 30