A 66% increase in the price of raw materials for car production An examination of the price changes of production inputs from May to October 1405 shows that the supply chain of the car industry faced a significant wave of cost increases. At the same time, the exchange rate also increased by 60% and the costs of logistics and foreign transportation faced a fourfold growth under the influence of restrictions. The result of these developments is an average increase of 66% in the price of the raw materials used in car production; An issue that exerts significant cost pressure on car manufacturers and the supply chain.