Use the Table Below to Answer the Following Questions

question 22

Multiple Choice

Use the table below to answer the following questions.
Table 12.2.1

-Refer to Table 12.2.1, which gives the total revenue schedule and total cost schedule of a perfectly competitive firm. The marginal revenue received from the sale of the 4th unit of output is

• A)$3.
• B)$15.
• C)$10.
• D)$120.
• E)$30.

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Definitions:

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Tight Junctions

Specialized connections between neighboring cells that create a barrier to prevent the leakage of molecules across cell layers.

Plasmodesmata

Microscopic channels allowing transport and communication between plant cells, enabling the sharing of water, nutrients, and biochemical signals.