A firm's year-end balance sheet shows retained earnings of $92,000, current liabilities of $150,000, cash (all unrestricted) of $21,000, long-term investments of $60,000, long-term debt of $275,000, and plant, property, and equipment (net of accumulated depreciation) of $410,000. Its current assets are $360,000. What is total shareholders' equity?

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?