The figure above shows some of a firm's cost curves.
-Based on the figure above,curve D is the firm's
A) marginal cost curve.
B) total cost curve.
C) average total cost curve.
D) average variable cost curve.
E) average fixed cost curve.

Question

The figure above shows some of a firm's cost curves.
-Based on the figure above,curve D is the firm's
A) marginal cost curve. 
B) total cost curve. 
C) average total cost curve. 
D) average variable cost curve. 
E) average fixed cost curve.

Quizplus · Accepted Answer

Curve D represents the marginal cost curve, which shows the change in total cost that arises when the quantity produced changes by one unit. It typically slopes upwards due to the law of diminishing returns.

The Figure Above Shows Some of a Firm's Cost Curves