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Posted by **Harold** on Tuesday, June 26, 2012 at 1:42pm.

What price should the company charge for the phones and how many phones should be produced to maximize the weekly revenue. What is maximum weekly Revenue?

- calculus -
**Steve**, Tuesday, June 26, 2012 at 3:41pmrevenue is sales*price

R(x) = x(400-.5x) = 400x - .5x^2

dR/dx = 400 - x

dR/dx = 0 when x = 400

R(400) = 400(400-200) = 80000

Cost doesn't figure into revenue. Now, if you want profit, subtract cost from revenue.

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