The Current Year-End Balance Sheet Data for a Company Are

The current year-end balance sheet data for a company are shown below:
$\begin{array}{|l|r|}\hline \text { Assets: } \\\hline \text { Cash } & \$ 18,000 \\\hline \text { Marketable securities } & 45,000 \\\hline \text { Accounts receivable (net) } & 157,500 \\\hline \text { Merchandise inventory } & 139,500 \\\hline \text { Long-term investments } & 135,000 \\\hline \text { Plant assets (net) } & \underline { 517,500} \\\hline \text { Total assets } & \underline { \$ 1,012,500} \\\hline\\\hline \text { Liabilities and equity: }\\\hline \text { Accounts payable } & \$ 168,700 \\\hline \text { Accrued liabilities } & 90,000 \\\hline \text { Notes payable (secured by plant assets) } & 234,800 \\\hline \text { Common stock (\$12par) } & 180,000 \\\hline \text { Contributed capital in excess of par } & 135,000 \\\hline \text { Retained earnings } & 204,000 \\\hline \text { Total liabilities and equity } & \underline { \$ 1,012,500} \\\hline\end{array}$ Calculate this company's:
(1)Working capital
(2)Acid-test ratio