One of the ways that a perfectly competitive firm and a nondiscriminating monopolist are different ...

One of the ways that a perfectly competitive firm and a nondiscriminating monopolist are different is that
 a. the marginal cost curve is U-shaped for a perfectly competitive firm but not for a monopolist
  b. P = AR for a perfectly competitive firm but not for a monopolist
  c. P = MR for a perfectly competitive firm but not for a monopolist
  d. the average revenue curve and demand curve are the same for a perfectly competitive firm but not for a monopolist
  e. only the monopolist seeks to maximize profits

QUESTION 2

The Sherman Act
 a. created the Federal Trade Commission
  b. established the Department of Justice Guidelines
  c. regulated railroad and trucking industries
  d. outlawed restraints of trade
  e. forbade price discrimination

QUESTION 3

A perfectly competitive firm in the short run determines its quantity supplied at various prices by using
 a. the portion of its marginal cost curve rising above its average total cost curve
  b. the portion of its marginal cost curve rising above its average variable cost
  c. its average variable cost curve
  d. its average total cost curve
  e. the portion of its average variable cost curve rising above its average fixed cost curve

QUESTION 4

What is true at the profit-maximizing quantity for a nondiscriminating monopolist but not true of a perfectly competitive firm?
 a. Price equals marginal cost.
  b. Price is greater than marginal cost.
  c. Marginal revenue equals marginal cost.
  d. Marginal revenue is less than marginal cost.
  e. Marginal revenue is greater than average revenue.

QUESTION 5

The Sherman Act
 a. prohibited restraint of trade
  b. created the Federal Trade Commission
  c. prohibited fraudulent advertising
  d. regulated the railroads
  e. exempted insurance companies from antitrust law