A manufacturer estimates that when x units of a particular commodity are sold domestically and y units are sold to foreign markets, the profit is given by P(x, y)=(x-30)(70+5x-4y)+(y– 40)(80–6x+7y) hundred dollars. If monthly domestic sales vary between 100 and 125 units and foreign sales between 70 and 89 units, vhat is the average monthly profit?

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A: Here the given is

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A: The detailed solution is given below Thank you

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A: Ttt

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