If the price of goods. Manufacturers are offering to sell the quantity rises but when commodities prices decreased. The manufacturer or seller will sell the quantity had decreased because of the production costs.
If commodity prices rise The manufacturer is offering the volume increases. But when prices drop The manufacturer or seller is offering a reduced amount. Since it is determined by the cost of production.
If prices rise. The manufacturer will sell the product volume increased, but when the price decreases. The manufacturer or seller to sell a product volume decreased. Because it was determined by the cost of production.