-What Is the Net Benefit of the 5^th Unit of }

question 86

Multiple Choice

$\begin{array}{cccccc}\text { Level of } & \text { Total } & \text { Total } & \text { Marginal } & \text { Marginal } & \text { Net } \\\text { Activit } & \text { Beneft } & \text { Cost } & \text { Benefit } & \text { Cost } & \text { Benefit }\\\hline0&-&0&xx&xx&0\\1&200&30&-&-&-\\2&-&-&100&-&230\\3&-&-&-&50&270\\4&450&-&-&65&-\\5&-&255&30&-&-\\6&500&-&-&75&-\end{array}$
-What is the net benefit of the 5^th unit of the activity?

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Definitions:

B Cell

A type of lymphocyte involved in the immune response by producing antibodies to neutralize pathogenic threats.

Antibodies

Proteins produced by the immune system that recognize and neutralize foreign objects like bacteria and viruses.

Effector T Cells

A subset of T cells that actively respond to a previously encountered antigen, playing a crucial role in the immune response by attacking infected cells.

Thymus Gland

An organ located in the upper chest, involved in immune system development and the production of T-cells for adaptive immunity.