Suppose that the demand equation for a firms product is Q = 10 0.4P, where Q

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Suppose that the demand equation for a firm’s product is Q = 10 − 0.4P, where Q is quantity and P is price.

a. Calculate the price elasticity of demand using the midpoint formula when P1 = $13 and P2 = $12.

b. Calculate the point price elasticity of demand at these prices. What, if anything, can you say about the relationship between the price elasticity of demand and total revenue at these prices?

c. What is the price elasticity of demand at the price that maximizes total revenue?

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