Posted by **jean** on Wednesday, February 6, 2008 at 7:47pm.

As manager of Citywide Racquet Club, you must determine the best price to charge for locker rentals. Assume that the (marginal) cost of providing lockers is 0. The monthly demand for lockers is estimated to be Q = 100 - 2P where P is the monthly rental price and Q is the number of lockers rented per month. What price would you charge? How many lockers are rented monthly at this price? Explain why you chose this price.

- managerial econ -
**Damon**, Wednesday, February 6, 2008 at 8:19pm
You want to maximize income which is P*Q

P Q = 100 P - 2 P ^2

2 p^2 -100 p = - income

where is that derivative = 0?

4 p - 100

p = 25 seems to be it.

then you rent

Q = 100 - 50 = 50 of them

and you make

PQ = $1250

If you have not had calculus, find the vertex of that parabola by completing the square

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