If the per-unit price of raw materials rises from $4 to $8 and all else remains constant, the aggregate supply curve would shift to the left.
The supply curve is a visual depiction of the relationship between the price of an item or service and the amount delivered over period. A common depiction will have the price on the left vertical axis and the equilibrium quantity on the horizontal axis.
Shift in the supply curve: Variations in manufacturing costs and other variables can cause a whole supply curve to move to the right or left. The quantity offered at a particular price can be higher or lower as a result. Supply curves connect prices and quantities provided under the ceteris paribus premise, which holds that no other variables vary.
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