Johnson & Johnson has required those who sell its soft contact lenses to sign an agreement that they will not offer discounts larger than 10 percent on Johnson & Johnson products that it sells. The agreement also provides that the discount is limited to a one-year supply. Which of the following statements is correct?

Group of answer choices

Johnson & Johnson has engaged in resale price maintenance, which may or may not be a violation of the antitrust laws.

Johnson & Johnson has engaged in monopolization.

Johnson & Johnson has engaged in price-fixing, a per se violation.

Johnson & Johnson has engaged in resale price maintenance, a per se violation of the Sherman Act.