Shown below are beginning and ending balances for certain of Grimaldi Inc.'s accounts. January 1 December 31 Cash $ 48,000 $ 62,000 Marketable securities 42,000 35,000 Accounts receivable 68,000 47,000 Inventory 125,000 138,000 Plant & equipment 325,000 424,000 Accounts payable 32,000 84,000 Accrued liabilities 14,000 11,000 7% bonds payable 95,000 77,000 Grimaldi's acid-test ratio or quick ratio at the end of the year is