Refer to the Accompanying National Income Data for the Economy

question 131

Multiple Choice

$$\begin{array} { | l | c | } \hline \text { Personal Consumption Expenditures } & \$ 400 \\\hline \text { Government Purchases } & 128 \\\hline \text { Gross Private Domestic Investment } & 88 \\\hline \text { Net Exports } & 7 \\\hline \text { Net Foreign Factor Income } & 0 \\\hline \text { Consumption of Fixed Capital } & 43 \\\hline \text { Taxes on Production and Imports } & 50 \\\hline \text { Compensation of Employees } & 369 \\\hline \text { Rents } & 12 \\\hline \text { Interest } & 15 \\\hline \text { Proprietors' Income } & 52 \\\hline \text { Corporate Income Taxes } & 36 \\\hline \text { Dividends } & 24 \\\hline \text { Undistributed Corporate Profits } & 22 \\\hline \text { Statistical Discrepancy } & 0 \\\hline\end{array}$$ Refer to the accompanying national income data for the economy. All ?gures are in billions of dollars. Net domestic product is

• A) $520.
• B) $580.
• C) $623.
• D) $573.

---

Definitions:

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference.

Retina

The light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information.

Retinal Disparity

A binocular cue for perceiving depth. By comparing retinal images from the two eyes, the brain computes distance— the greater the disparity (difference) between the two images, the closer the object.

Blind Spot

The point at which the optic nerve leaves the eye, creating a “blind” spot because no receptor cells are located there.