【单选题】A firm has the long-run cost function C(q) = 7q2 + 175. In the long run, it will supply a positive amount of output, so long as the price is greater than
【单选题】A firm has the long run cost function C(Q) = 5Q 2 + 245. In the long run, it will supply a positive amount of output, so long as the price is greater than:
【单选题】A firm has the long run cost function C(Q) = 7Q 2 + 252. In the long run, it will supply a positive amount of output, so long as the price is greater than: