-Refer to Exhibit 1-1

question 161

Multiple Choice

-Refer to Exhibit 1-1.If the student whose study habits are illustrated here is currently studying for the 8th hour,she should

• A) cut back on the number of hours she is studying because the marginal benefit of studying for the 8th hour is less than the marginal cost of doing so.
• B) cut back on the number of hours she is studying because the marginal benefit of studying for the 8th is greater than the marginal cost of doing so.
• C) increase the number of hours she is studying because the marginal benefit of studying for the 8th hour is less than the marginal cost of doing so.
• D) increase the number of hours she is studying because the marginal benefit of studying for the 8th hour is greater than the marginal cost of doing so.

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Definitions:

Variable Pitch

Referring to the capability of adjusting the angle or pitch of blades in fans, propellers, or turbines to control performance.

Impeller

The driving member of a torque converter torus; the impeller is mechanically connected to the engine crankshaft and should rotate at the same speed.