A retailer has been selling 2000 tablet computers a week at $350 each. The marketing department estimates that an additional 80 tablets will sell each week for every $10 that the price is lowered. (a) Find the demand function. 1 P(x) = - x+600 + (b) What should the price be set at in order to maximize revenue? $ 300 (c) If the retailer's weekly cost function is == C(x) = 25,000+ 170x, what price should it choose in order to maximize its profit? $ 300 x