The Sherman Antitrust Act of 1890 prohibits:

The various quantities of all final commodities demanded at various price levels, ceteris paribus, is the

A) LRAS. B) production possibilities curve. C) aggregate demand curve. D) aggregate supply curve.

If the maximum price a person is willing and able to pay for a good is $50, and consumers' surplus is $20, then it follows that the price the buyer paid for the good is

A) $20 B) $70 C) $50 D) $30 E) There is not enough information to answer the question.