The monthly sales of Sunny Electronics’ new iSun media player is given by q ( t ) = 2000 t − 100 t 2 units per month, t months after its introduction. The price Sunny charges is p ( t ) = 100 − t 2 dollars per iSun, t months after introduction. Find the monthly revenue function and rate of change of monthly revenue 6 months after the introduction of the iSun. Interpret you answers making sure you include appropriate units.

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