A manufacturing plant exhibits diseconomies of scale if long-run average cost (LRAC) is:
A. decreasing as output increases, and the plant is at its minimum efficient scale if LRAC is at its lowest level.
B. decreasing as output increases, and the plant is at its minimum efficient scale if LRAC is decreasing over the entire range of output.
C. increasing as output increases, and the plant is at its minimum efficient scale if LRAC is at its lowest level.
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