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

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

Calculate this company's:
(1)Working capital
(2)Acid-test ratio