each additional bottle sold.

$($a$)$ Assuming at least $10,400$ bottles of wine are produced and sold, what is the maximum profit $($in dollars$)?($Round your answer correct to the nearest cent.$)$

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$($b$)$ What would be the profit$/$bottle $($in dollars$)$ in this case? $($Round the number of bottles down to the nearest whole bottle. Round your answer correct to the nearest cent.$)$

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