During the last few decades in the United States, health officials have argued that eating too much beef might be harmful to human health. As a result, there has been a significant decrease in the amount of beef produced. Which of the following best explains the decrease in production? a. Government officials, concerned about consumer health, ordered beef producers to produce relatively less beef. b. Beef producers, concerned about the health of their customers, decided to produce relatively less beef. c. Anti-beef protesters have made it difficult for both buyers and sellers of beef to meet in the marketplace. d. Individual consumers, concerned about their own health, decreased their demand for beef, which lowered the equilibrium price of beef, making it less attractive to produce.