1 answer

Question 4 1 pts The University is considering the level of light to provide at night...

Question:

Question 4 1 pts The University is considering the level of light to provide at night on campus. Cynthia and Shirley are the

Question 4 1 pts The University is considering the level of light to provide at night on campus. Cynthia and Shirley are the only students who work on campus at night. Cynthia's marginal benefit for light is given by MBCynthia = 40 - 4Q, where Q is the brightness of light; while Shirley's marginal benefit is MBShirley = 20-20. If there are no fixed costs, and the marginal cost of providing light is given by MC=12, then what is the optimal brightness of light for the university to provide? 04 None of the above.

Answers

Answer : The answer is option A.

For university the total MB = MB of Cynthia + MB of Shirley = (40 - 4Q) + (20 - 2Q) = 40 - 4Q + 20 - 2Q

=> Total MB = 60 - 6Q

MC = 12 (Given).

At optimal output level MB = MC occur. So,

60 - 6Q = 12

=> 60 - 12 = 6Q

=> 6Q = 48

=> Q = 48 / 6

=> Q = 8

Therefore, option A is correct.

.

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