Answer :
In this question, the long-run average total cost decreases as output increases, So, the firm is experiencing economies of scale.
The term 'economies of scale' refers to situations when long-run average costs decrease as production increases. There is no industry that illustrates economies of scale better than that of chemicals.
A firm's average cost per unit of production decreases as its size or scale increases, a phenomenon known as economies of scale.
Natural monopolies are examples of this type. It is most efficient to have one company. A complex product such as an automobile can be manufactured at economies of scale. There are several complex steps involved in the manufacturing process.
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