Suppose that two rival Microbreweries in a town face demand curves given by Q. = 30 - P1 P2 and Q2 = 20 - P2 a. Are the products of the two firms perfect substitutes? Explain fully. b. The firms realize they have to compete in prices. What are the prices of the firms in equilibrium when the marginal cost of producing a can of beer is $1 for each firm? c. From (b) are the prices equal to marginal cost as predicted by the Bertrand price- setting model? Explain fully as to why the prices are different from marginal cost, if this is not the case