Answer the Question on the Basis of the Information in the Following

question 19

Multiple Choice

Answer the question on the basis of the information in the following table. $\begin{array}{c}\begin{array}{c}\\\text {Money}\\\underline{\text { Supply}}\\ \$ 400 \\400\\400\\400\\400\end{array}\begin{array}{c}\\\text { Money }\\\underline{\text { Demanc }} \\ \$ 600 \\500 \\400 \\300 \\200\end{array}\begin{array}{c}\\\text { Interest}\\\underline{\text { Rate }} \\ 2 \% \\3 \\4 \\5 \\6\end{array}\begin{array}{c}\text {Investment }\\\text {(at Interest}\\\underline{\text { Rate Shown) }}\\\$ 700 \\600 \\500 \\300 \\200\end{array}\end{array}$
Refer to the table.The equilibrium interest rate in this economy is:

• A) 3 percent.
• B) 4 percent.
• C) 5 percent.
• D) 6 percent.

---

Definitions:

Aquaporin-2 Channels

Specific water channel proteins in kidney tubules that regulate water reabsorption and urine concentration.

Distal Convoluted Tubules

A portion of the nephron in the kidney where fine tuning of salt and water reabsorption and secretion occurs, aiding in urine formation.

Sympathetic Stimulation

Activation of the sympathetic nervous system, leading to increased heart rate, blood pressure, and energy mobilization.

Renal Flow

The rate of blood flow through the kidneys, essential for the filtration of blood.