A company manufactures and sells x smartphones per week. The weekly price- demand and cost equations are given below, where p is the unit price in dollars and x is the number of units. p(x) = 500 0.4x and C(x) = 20000 + 20x 1) Give the equation for R(x), the total weekly revenue. 2) Give the equation for P(x), the total weekly profit. 3) What price should the company charge for the phones and how many phones should be produced to maximize the weekly profit. What is the maximum weekly profit?

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