The marginal revenue curve of a purely competitive firm:

A) lies below the firm's demand curve.
B) is downsloping because price must be reduced to sell more output.
C) is horizontal at the market price.
D) has all of these characteristics.

Marginal Revenue Curve

A graphical representation showing how the revenue from selling one additional unit varies.

Horizontal

A line or direction parallel to the ground or to the bottom edge of a page, representing equality or uniformity in a graphical representation.

Market Price

The current price at which an asset or service can be bought or sold.