The Following Figure Shows the Costs and Revenue Curves of a Firm

Multiple Choice

The following figure shows the costs and revenue curves of a firm in a monopoly market.

-Refer to the figure above.If this monopolist engages in the first-degree price discrimination,the consumer surplus in this market is equal to ________.

A) the area below the D curve, and above the P₂ level
B) the area below the D curve, and above the P₃ level
C) the area below the D curve, and above the P₄ level
D) zero