Suppose you are the manager of a watch-making firm operating in a comptetive market.You cost of production is given by C=100+Q^2,Where Q is the level of output and C is total cost.

a)If the price of watches is birr 60,how many watches should you produce to maximize profit?
b)What will your profit level be?
c)At what minimum price will you produce a posetive output?

2 answers

revenue R = 60q

profit P = R-C = 60q-(100+q^2)
so find q such that dP/dq = 0
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