Official explanations of the Drakshan Manufacturing and Industrial Company of Tehran on the surge in operating profit The Drakshan Manufacturing and Industrial Company (Fedarch) of Tehran announced the reasons for the increase in operating profit for the 6-month period ending on 31 Shaharib 1405 compared to the corresponding period of the previous year: a 157% increase in total sales value, a 153% increase in the relative sales rate of materials, relative to the cost of use relative of the materials. average method and periodic stock, and the seasonal increase in the sale of semi-dry plastic sheeting, emphasizing that the situation in the first half of the year can be generalized to the whole year. is not