According to Professor Kosmos, the demand for hot chocolate from the university café has the schedule QD = 2500 – 135p, where p is the price. The owner of the café says that their supply schedule is QS = 1600 + 315p. i) Identify the café’s daily profit maximising price and quantity. ii) When a new hot chocolate machine is installed, the Professor finds that the supply schedule has changed to QS = 1625 + 365p. What are the café’s new daily profit maximising price and quantity? iii) Find the price elasticity of demand for the café’s hot chocolate and comment on the result.

Survey of Economics (MindTap Course List)
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Author:Irvin B. Tucker
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Chapter4: Markets In Action
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According to Professor Kosmos, the demand for hot chocolate from the university café has the schedule QD = 2500 – 135p, where p is the price. The owner of the café says that their supply schedule is QS = 1600 + 315p.

i) Identify the café’s daily profit maximising price and quantity.

ii) When a new hot chocolate machine is installed, the Professor finds that the supply schedule has changed to QS = 1625 + 365p. What are the café’s new daily profit maximising price and quantity?

iii) Find the price elasticity of demand for the café’s hot chocolate and comment on the result. 

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