A manufacturer has been selling 1350 television sets a weekat $540 each. A market survey indicates that for each $19 rebate offered to a buyer, the number of sets sold will increase by 190 per week.  A. Find the function representing the demand p(x), where x is the number of the television sets sold per week and p(x) is the corresponding price. P(x) = B. How large rebate should the company offer to a buyer, in order to maximize its revenue? ___ dollars C. If the weekly cost function is 121500+180x, how should it set the size of the rebate to maximize its profit? ___ dollars

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