Erastic Corporation has $21,000 in cash, $11,500 in marketable securities, $44,500 in account receivable, $54,000 in Inventories, and $49,000 in current liabilities. The corporation's current assets consist of cash, marketable securities, accounts receivable, and Inventory. The corporation's acid-test ratio is closest to: McRae Corporation's total current assets are $424,000, its noncurrent assets are $533,000, its total current liabilities are $362,000, its long-term liabilities are $283,000, and its stockholders' equity is $312,000. Working capital is: Multiple Choice $109,000 S62.000 S171,000 $112,000 Calin Corporation has total current assets of $637,000, total current liabilities of $247,000, total stockholders' equity of $1,205,000, total plant and equipment (net) of $980,000, total assets of $1,617,000, and total liabilities of $412,000. The company's working capital is: Multiple Choice $412,000 $343,000 $390,000 $472,000