Stimac Corporation has total cash of $210,000, no marketable securities, total current receivables of $281,000, total inventory of $151,000, total prepaid expenses of $53,000, total current assets of $695,000, total current liabilities of $261,000, total stockholders' equity of $1,014,000, total assets of $1,415,000, and total liabilities of $401,000. The company's acid-test (quick) ratio is closest to:

2.08

1.73

2.66

1.88