The total cost (in dollars) of producing x college textbooks is C(x)= 40x + 24,000.
a) What are the fixed costs?
b) What is the marginal cost per book?
c) What is the total cost of producing 1100 books? 40,000 books?
d) What is the average cost when 1100 books are produced? when 40,000 books are produced?