The Following Financial Information Was Taken from a Firm's Accounting

The following financial information was taken from a firm's accounting records on December 31, 2019. Use this information to determine the items below.
$\begin{array}{ll}\text { Cash } & \$ 55,000 \\\text { Accounts Receivable (Net) } & 140,000 \\\text { Merchandise Inventory } & 265,000 \\\text { Property, Plant, and Equipment (Net) } & 500,000 \\\text { Total Assets } & 960,000 \\\text { Accounts Payable } & 120,000 \\\text { Bonds Payable, 2028 } & 400,000 \\\text { Total Liabilities } & 520,000\end{array}$
(1.) Working capital
(2.) Current ratio
(3.) Acid-test ratio
(4.) Ratio of stockholders' equity to total liabilities