Refer to the Information Provided in Figure 9

question 8

Multiple Choice

Refer to the information provided in Figure 9.1 below to answer the questions that follow. Figure 9.1
-Refer to Figure 9.1. Suppose that the consumption function is C = 200 + 0.4Yd and taxes are $200 billion, at equilibrium the value of injections are

• A) $1,080 billion.
• B) $840 billion.
• C) $720 billion.
• D) $650 billion.

---

Definitions:

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by decreasing the concentration of calcium.

Parathyroid Hormone (PTH)

A hormone secreted by the parathyroid glands that regulates calcium and phosphate levels in the blood.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary actions and the functioning of internal organs.

Homeostasis

The autonomous mechanism through which life forms uphold equilibrium as they adapt to variations in environmental conditions.