Economists say that a market where goods are not consumed by those valuing the goods most highly is

If the supply of labor ________, real wages rise and the amount of labor employed ________

A) increases; increases B) increases; decreases C) decreases; increases D) decreases; decreases

In the above figure, at the profit-maximizing rate of production for the perfectly competitive firm profit is

A) $100. B) $70. C) $30. D) $130.