tell me the correct answer

The graph shows how much it costs to feed enough dairy cattle to produce 100 pounds of milk in two different places. Feed Costs Per Unit of Milk $ US / 100 lbs O-NWAUGNOVO Cost of feed California New Zealand Which statement best explains the data? O A. Cows in New Zealand are more efficient at producing milk. O B. Milk in California is more concentrated than milk in New Zealand. C. New Zealand farmers have access to larger areas of pastureland. O D. New Zealand farmers feed their cattle more expensive grain