In a slow year, Deutsche Burgers will produce 3.5 million hamburgers at a total cost of $5.3 million. In a good year, it can produce 5.5 million hamburgers at a total cost of $6.2 million. (Do not round intermediate calculations. Enter your answer in millions rounded to 1 decimal place.)

a. What are the fixed costs of hamburger production? Fixed cost $______ million

b. What is the variable cost per hamburger? Variable cost $_______ per burger

c. What is the average cost per burger when the firm produces 3 million hamburgers? Average cost $______ per burger

d. What is the average cost per burger when the firm produces 4 million hamburgers? Average cost $______ per burger