9. [0/2 Points] PREVIOUS ANSWERS SCALCETQ 4.7.069. 1/2 Submissions Used MY NOTES 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. (3) Find the demand function. P(X) = X (b) What should the price be set at in order to maximize revenue? $ X (c) If the retailer's weekly cost function is C(X) : 35,000 + 150x, what price should it choose in order to maximize its prot? $|:lx