Table 212 At 30 Units of Output in Table 21

question 140

Multiple Choice

Table 21.2 $\begin{array}{|l|r|r|r|r|}\hline \text { Output (units per day) } & 0 & 10 & 20 & 30 \\\hline \text { Total cost (dollars per day) } & \$ 40 & \$ 54 & \$ 62 & \$ 80\\\hline\end{array}$

At 30 units of output in Table 21.2,the total variable cost is

• A)$30.
• B)$40.
• C)$50.
• D)$80.

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Definitions:

Joint Membranes

Tissue layers surrounding joints, producing fluid that lubricates joint surfaces, facilitating smooth movement.

Rheumatoid Arthritis

An autoimmune disease characterized by chronic inflammation of the joints, leading to pain, swelling, and eventual destruction of joint integrity.

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against pathogens and disease.

Rheumatoid Arthritis

A chronic inflammatory disorder affecting many joints, including those in the hands and feet, characterized by joint pain, swelling, and stiffness.