A firm incurred the following costs in production. Use the information in the table to answer the question below.

Output
(bags of rice
0 10 20 30 40 50 60
Total Cost ($) 100 200 300 380 440 520 600

The average cost of producing 40 bags of rice is_____

A.

$10

B.

$11

C.

$60

D.

$80

Correct answer is B

No explanation has been provided for this answer.