The sales functlon for a product is given by S(x) = 123 + 11.1x? - 0.1x, where x represents thousands of dollars spent on advertising, 0 < x < 74, and S is in thousands of dollars. Find the polnt of diminishing returns. Enter the amount spent on advertising as well as the sales in dollars. Answer E Keypad Keyboard Shortcuts Selecting a checkbox will replace the entered answer value(s) with the checkbox value. If the checkbox is not selected, the entered answer is used. Amount Spent on Advertising: $ Total Sales: $ O No point of diminishing returns

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