For a cost function C = 100 + 10Q + Q2, the average variable cost of producing 20 units of output is

A. 10
B. 20
C. 30
D. None of the statements associated with this question are correct

3 answers

Plug 20 into your formula for total costs, then calculate average variable cost. Remember, the 100 in the total cost represents fixed costs.
30
important for class discussion