The long-run average total cost curve: Group of answer choices can be derived by summing horizontally the average total cost curves of all firms in an industry. indicates the lowest unit costs achievable when a firm has had sufficient time to alter plant size. has a shape that is the inverse of the law of diminishing returns. displays declining unit costs so long as output is increasing.

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(i know i'm late but the answer's "things about yourself" because you want to list things you're capable of, why you want to open up the business, the amount of money you're putting into it,etc.) i'm guessing you take online school small business, the answers to the quizzes are all over quizlet. just look up your question and type quizlet after it and it'll pop up.

answer; comparing the additional benefits and costs;

answer///video, because samuel can show his work in real time and be better understood;