Inventory increased by ~ 46 MB or 19% from Q4'13 mainly because the Company stocks higher level of raw materials, which were Fiber glass (~ 50 MB) as a mean to control low cost of sales and, hence, greater profit and Copper foil arose by 45 MB but also consisted of non-standard product that the Company had already set up Raw Material for return amounting (-28 MB). On the other hand, the net decreased in FG-Laminate amount (~ -22 MB) since the Company received the failed quality inspection Laminates returned from customers.