Which of the following are reasons why beef packers have market power? Select all that apply. Question 30 Answer a. A price ceiling allows beef packers to charge high prices. b. Sellers are not equally informed about industry data. c. Due to differences in grade, weight, freshness, and cut, beef is not standardized. d. Ranchers collude to charge high prices to meatpackers. e. The meatpacking industry is controlled by a few large firms