Use the Headers Attribute on the ___ Tag to Correspond

question 1

Multiple Choice

Use the headers attribute on the ___ tag to correspond to the id attribute on a < th > tag.

• A) < thead >
• B) < td >
• C) < tr >
• D) < table >

---

Definitions:

Marginal Revenue

The additional income earned from selling one more unit of a good or service; it's a crucial concept for understanding how firms decide on output levels.

Purely Competitive Industry

An industry characterized by a large number of small firms producing identical products with no single firm able to influence the market price.

Purely Competitive Market

A market structure characterized by a large number of small firms, a homogeneous product, perfect information, and ease of entry and exit, leading to price-taking behavior.

Barriers to Entry

Factors that prevent or impede the ability of a new competitor to enter an industry and compete with existing firms.