Refer to the Accompanying Table Below A)1
B)3
C)4
D)6

question 19

Multiple Choice

Refer to the accompanying table below. According to the Cost-Benefit Principle, how many units of this activity should be carried out? $$\begin{array} { | c | r r | r | } \hline \text { Units of Activity } & { \text { Tatal Cast } } & { \text { Tatal Benefit } } \\\hline 0 & \$ 0 & \$ 0 \\\hline 1 & \$ 30 & \$ 100 \\\hline 2 & \$ 40 & \$ 160 \\\hline 3 & \$ 60 & \$ 190 \\\hline 4 & \$ 100 & \$ 210 \\\hline 5 & \$150 & \$ 220 \\\hline 6 &\$210& \$ 225 \\\hline\end{array}$$  

• A)1
• B)3
• C)4
• D)6

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Definitions:

Serous Membrane

A thin layer of tissue that covers internal body cavities, secreting a fluid that lubricates membrane surfaces.

Endometrium

The inner lining of the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.

Myometrium

The smooth muscle layer of the uterus, which expands during pregnancy and contracts during labor.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a serum-like fluid to lubricate and reduce friction between internal organs.