A) A firm experiences economies of scale if its average total cost (increases…

A) A firm experiences economies of scale if its average total cost
(increases/decreases/remains constant as its output increases)

B) A firm experiences diseconomies of scale if its average total cost
(increases/decreases/remains constant as its output increases)

C) A firm experiences constant returns to scale if its average total cost
(increases/decreases/remains constant as its output increases)
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