Suppose the figure below shows the demand curve, marginal revenue curve and marginal cost curve for a monopolist.  At this monopolist's profit-maximizing level of output, its total revenue equals the area:

According to the equation of exchange, the money supply times the velocity of money equals the

A) price level. B) growth rate of the money supply. C) real GDP. D) nominal GDP.

Discuss private-sector risks and the role government intervention has in improving economic efficiency

Please provide the best answer for the statement.