This question: 2 point(s) possir What are economies of scale and diseconomies of scale? How do they arise? '6 What do they imply for the shape of the LRAC curve? E are features of a rm's technology that lead to falling long-run average cost as output increases that arise because of G) A. Economies of scalefgreater specialization of both labour and capital ' ' O B. Decreasing economies; comparative advantage 1 O c. Economies of scale; free markets 0 D. Economies of scope; the challenge of managing a large enterprise are features of a rm's technology that lead to rising long-run average cost as output increases that arise because of A. Diseconomies of scale; comparative advantage 0 B. Economies of scope; greater specialization of both labour and capital 1 O c. Output diseIconomies; free markets ' O D. Diseconomies of scale; the challenge of managing a large enterprise When economies of scale are present, the LRAC curve . When diseconomies of scale are present, the LRAC curve (9 A. slopes downward; slopes upward O B. is horizontal; slopes upward O C. slopes downward; is horizontal O D. slopes upward; slopes downward