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Question 19 Ethan is a coffeeshop owner in New Orleans and estimates the revenue (the money earned from selling coffees) to be R(x) = 4x dollars, where x -the number of coffees sold. The coffee shop estimates its costs by C(x) = 1.5x + 1375 dollars. What is the selling price of each coffee? dollars. In order to break even, the company must sell at least coffees. What is the margin of profit if 150 coffees are sold? dollars. (If a loss, indicate with a negative sign) What is the margin of profit if 900 coffees are sold? dollars. (If a loss, indicate with a negative sign)