MicroEconomics Practice:  Eric has a taco stand in downtown San Francisco. He wants to increase his total revenue. He knows that, when tacos are $1.00, he sells 20 an hour, and when he lowers the price to $0.75, he sells 25 an hour.   (a) Calculate the price elasticity of demand for Jose's hotdogs using the midpoint formula. (show the formula and your calculations) (b) Is demand elastic or inelastic? How do you know? Explain your answer. (c) Using the price elasticity of demand calculated in section A, explain whether Eric should raise or lower the price to generate more revenue.

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