Consumers' Surplus The demand function for a certain brand of CD is given by

$p=-0\mathrm{.}01x^2-0\mathrm{.}3x+17$

where $p$ is the wholesare unit price in dollars and $x$ is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus $($in dollars$)$ if the market price is set at $$\frac{7}{?}$ disc. $($Round your answer to two decimal places.$)$

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