Stimac Corporation has total cash of $225,000, no marketable securities, total current receivables of $296,000, total inventory of $157,000, total prepaid expenses of $56,000, total current assets of $734,000, total current liabilities of $270,000, total stockholders equity of $1,314,000, total assets of $1,865,000, and total liabilities of $551,000. The companys acid-test (quick) ratio is closest to: