Proponents of free markets argue that if all markets were perfectly competitive and if the government allowed prices to be determined by de for all products in the economy, A. price would equal marginal cost and total surplus to society would be maximized. B. marginal cost would equal zero and consumer surplus would be maximized. C. price would equal marginal cost and consumer surplus would be maximized. D. marginal cost would equal zero and total surplus to society would be maximized.