According to the u. s. robinson minus patman act of 1936, price discrimination a. is always illegal. b. may be used to drive rivals out of business. c. can only be justified if the price discrimination is due to actual cost differences. d. is legal unless it harms competition.

  A. Is always illegal.

Explanation:

  The Robinson- Patman Act is a federal law that forbids anticompetitive practices, especially price discrimination. It was designed to protect small retail shops against big chain stores who fixed a minimum price for its products.

  I hope this answer helps you.

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska