Answer the question on the basis of the following data confronting a firm: $\begin{array}{l}\begin{array}{ccr}& & \text{ Marginal }\\ \text{ Output }& & \text{ Reven }\\ 0& & --\\ 1& & \$16\\ 2& & 16\\ 3& & 16\\ 4& & 16\\ 5& & 16\end{array}\begin{array}{c}Marginal\\ Cost\\ --\\ \$10\\ 9\\ 13\\ 17\\ 21\end{array}\end{array}$ Refer to the data.This firm is selling its output in a(n) :

A) monopolistically competitive market.
B) monopolistic market.
C) purely competitive market.
D) oligopolistic market.

Purely Competitive Market

Another term for a perfectly competitive market, emphasizing its features like a large number of small firms and identical products.

Marginal Revenue

The increased earnings resulting from the sale of one extra unit of a good or service.

Marginal Cost

The increased cost resulting from the production of an additional unit of a good or service.