friend of yours is considering two cell phone service providers. Provider A charges $110 per month for the service regardless of the number of phone calls made. Provider B does not have a fixed service fee but instead charges $1 per minute for calls. Your friend's monthly demand for minutes of calling is given by the equation QD=100−20P, where P  is the price of a minute.   With Provider A, the cost of an extra minute is    With Provider B, the cost of an extra minute is     Given your friend's demand for minutes and the cost of an extra minute with each provider, if your friend used Provider A, he would talk for ___ minutes, and if he used Provider B, he would talk for ____ minutes.   This means your friend would pay___  for service with Provider A and  ____ for service with Provider B.   Use the following graph to draw your friend's demand curve for minutes. Then use the green triangle to help you answer the questions that follow.     Your friend would obtain ____ in consumer surplus with Provider A and ____in consumer surplus with Provider B.   Given this information, which provider would you recommend that your friend choose?

Micro Economics For Today
10th Edition
ISBN:9781337613064
Author:Tucker, Irvin B.
Publisher:Tucker, Irvin B.
Chapter6: Consumer Choice Theory
Section: Chapter Questions
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A friend of yours is considering two cell phone service providers. Provider A charges $110 per month for the service regardless of the number of phone calls made. Provider B does not have a fixed service fee but instead charges $1 per minute for calls. Your friend's monthly demand for minutes of calling is given by the equation QD=100−20P, where P

 is the price of a minute.
 
With Provider A, the cost of an extra minute is
 
 With Provider B, the cost of an extra minute is
 
 
Given your friend's demand for minutes and the cost of an extra minute with each provider, if your friend used Provider A, he would talk for ___ minutes, and if he used Provider B, he would talk for ____ minutes.
 
This means your friend would pay___  for service with Provider A and  ____ for service with Provider B.
 
Use the following graph to draw your friend's demand curve for minutes. Then use the green triangle to help you answer the questions that follow.
 
 
Your friend would obtain ____ in consumer surplus with Provider A and ____in consumer surplus with Provider B.
 
Given this information, which provider would you recommend that your friend choose?
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