than the increasing of sales as a result of upwardly adjust in raw material price and soften economic of scale of the plastic packaging business. 2 3. Selling and administrative expenses was increased by
the Q2 of the previous fiscal year or 5.39%. The cost increased more than the increasing of sales as a result of upwardly adjust in raw material price and soften economic of scale of the plastic
219.27 million Baht from the Q3 of the previous fiscal year or 14.01%. The cost increased more than the increasing of sales as a result of upwardly adjust in raw material price and soften economic of scale
economic of scale of the Eastern Polypack. 3. Selling and administrative expenses is increased by 139.92 million Baht or 8.06% mainly cause by increase in expense from Aeroklas’ international operation such
relatively healthier economic of scale from the insulation and automotive and accessories business in comparison to the previous year. 3. Selling and administrative expenses was increased by 75.99 million Baht
goods sold amounting to 7,243.8 million Baht was decreased by 443.9 million Baht from the previous fiscal year or 5.8% due to benefit from raw material and relatively better economic of scale. 3. Selling
franchise fees (3) increased efficiency in support functions due to economy of scale that resulted in staff expense increasing slower than the company revenue growth. Zen Corporation Group Public Company
economy of scale that resulted in staff expense increasing slower than the company revenue growth. Analysis of Financial Position Assets As of 31 December 2017, and 30 September 2018, the Group had total
2018 gross profit margin was mainly driven by the adoption of economies of scale and efficient control of production cost. 2. Selling expenses In year 2018, the Company incurred selling expenses of Baht
economies of scale and efficient control of production cost. 3. Selling expenses In Q3/2018, the Company incurred selling expenses of Baht 5.99 million, rising year-on-year by Baht 2.04 million or 51.65