Suppose That the Cost Function for a Commodity Is

Multiple Choice

Suppose that the cost function for a commodity is dollars. Find the marginal cost at units and tell what this predicts about the cost of producing 1 additional unit. Round your answer to two decimal places. ​

A) 5.57. The cost to produce the 4th unit is predicted to be $5.57.
B) 5.00. The cost to produce the 4th unit is predicted to be $5.00.
C) 322.29. The cost to produce the 5th unit is predicted to be $322.29.
D) 6.14. The cost to produce the 5th unit is predicted to be $6.14.
E) 20.00. The cost to produce the 5th unit is predicted to be $20.00.