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? (the balance sheet contains no major categories other than those mentioned).
