That's only considering the scenario of end-user purchasing and also not considering resale. Goods go through supply chains. Multiple transactions occur over a

That's only considering the scenario of end-user purchasing and also not considering resale. Goods go through supply chains. Multiple transactions occur over a period of time in order to create a final good. Service industries need to supply themselves with various goods in order to provide their services. The cost of those goods are used to price their services. When there is huge volatility through these processes, things fall apart.