Consumers A, B, C, and D respectively have a willingness to pay of $130, $100, $80, and $50 for one widget. Firms W, X, Y, and Z each have capacity to produce one widget at respective costs of $10, $60, $90, and $110. If these are the only consumers and firms in this market, and there are no third party costs or benefits from widgets, what is the socially efficient quantity of widgets? 4 There is insufficient info to answer question 3 2

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