Demand function is given by Q=84-2P and cost function is C(q)=25+2q+q2 1) What are the qualitative features of the costs of this cost function? i.e. average, marginal, variable, properties, and what are the key prices – shut price, breakeven price, revenue maximizing and profit maximizing price? 2) Using this cost structure and demand - how many firms are likely to operate in the long run (note: that in the long run firms tend to operate close to minimum average cost)?

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