A coffeeshop in Minneapolis determines that it can sell 4000 cups of coffee at a price of $2.00, but for every $1 increase in the price, their sales will decrease by 4400 cups and for every $1 decrease, their sales will increase by 4400 cups. A function giving the revenue earned when the price of coffee is a dollars per cup is R(x): = The coffeeshop can earn a maximum of when the price of a cup of coffee is $ (round your answers to two decimal places)

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