Which of the following financial futures contracts are traded in the United States?

Which of the following is correct?

a) Sometimes recessions are close together. b) Spending, income, and production do not fluctuate closely with real GDP. c) Recessions have never occurred very close together. d) Economic fluctuations are easily predicted by competent economists.

Price should be

A) determined by equating average cost and marginal cost to determine quantity and then setting the price using that quantity and the demand curve. B) determined by equating marginal revenue and average revenue to determine quantity and then setting the price using that quantity and the demand curve. C) determined by equating marginal revenue and marginal cost to determine quantity and then setting the price using that quantity and the demand curve. D) determined by equating marginal revenue and long-run average cost to determine quantity and then setting the price using that quantity and the demand curve.