The following data is given: December 31 . \begin{tabular}{lrr} & 2021 & 2020 \\ Cash & $56,000 & $50,000 \\ Accounts receivable (net) & 100,000 & 60,000 \\ Inventories & 90,000 & 110,000 \\ Plant assets (net) & 383,000 & 325,000 \\ & & \\ \hline Accounts payable & & \\ \hline Salaries and wages payable & 55,000 & 40,000 \\ \hline Bonds payable & 10,000 & 5,000 \\ \hline 8\% Preferred stock, $40 par & 70,000 & 70,000 \\ \hline Common stock, $10 par & 100,000 & 100,000 \\ \hline Paid-in capital in excess of par & 120,000 & 90,000 \\ \hline Retained earnings & 80,000 & 65,000 \\ \hline Net credit sales & 194,000 & 175,000 \\ \hline Cost of goods sold & & \\ \hline Net income & 900,000 & \\ \hline \end{tabular} Instruction: Compute the acid-test ratio