Suppose a City Has 20 Citizens

question 6

Multiple Choice

Suppose a city has 20 citizens.The first 10 citizens each derive marginal benefit from traffic lights according to the function MB = 10 - Q,and the remaining 10 citizens each derive marginal benefit from traffic lights according to the function MB = 20 - Q.If traffic lights cost $20 each to produce,what is the efficient quantity of traffic lights?

• A) 14 traffic lights
• B) 16 traffic lights
• C) 12 traffic lights
• D) 9 traffic lights

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Definitions:

Retroperitoneal

Behind the peritoneum.

Duodenum

The first section of the small intestine, following the stomach, where initial absorption of nutrients occurs.

Ascending Colon

Portion of the colon between the small intestine and the right colic flexure.

Falciform Ligament

Fold of peritoneum extending to the surface of the liver from the diaphragm and anterior abdominal wall.