In a slow year, Deutsche Burgers will produce 2.4 million hamburgers at a total cost of $3.9 million. In a good year, it can produce 4.2 million hamburgers at a total cost of $4.8 million. a. What are the fixed costs of hamburger production? (Do not round intermediate calculations. Enter your answer in millions rounded to 3 decimal places.) b. What is the variable cost per hamburger? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. What is the average cost per burger when the firm produces 1 million hamburgers? (Do not round intermediate calculations. Round your answer to 2 decimal places.) d. What is the average cost per burger when the firm produces 2 million hamburgers? (Do not round intermediate calculations. Round your answer to 2 decimal places.) e. Why is the average cost lower when more burgers are produced?