-Refer to the Above Figure $S _ { 1 }$ Is the Supply Curve That Includes Only Private Costs

question 75

Multiple Choice

-Refer to the above figure. $S _ { 1 }$ is the supply curve that includes only private costs. $S _ { 2 }$
Is the supply curve that includes social costs.If the firm sets output by focusing on private costs,the per-unit external cost will equal

• A) \(P _ { 2 }\) .
• B) \(\mathrm { P } _ { 4 }\) - \(P _ { 2 }\) .
• C) \(\mathrm { P } _ { 4 }\) - \(P _ { 1 }\) .
• D) \(P _ { 2 }\) - \(P _ { 1 }\) .

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Definitions:

Interleukins

A group of cytokines that were first seen to be expressed by white blood cells (leukocytes) and play an important role in the immune system by regulating cell growth, differentiation, and mobility.

White Blood Cells

Cells of the immune system that defend the body against both infectious disease and foreign materials.

Macrophages

Macrophages are a type of white blood cell part of the immune system that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.

Natural Killer Cells

A type of lymphocyte (white blood cell) that plays a crucial role in the body's innate immune response by attacking cells infected with viruses or transformed by cancer.