A firm has net working capital of $208,271. Net fixed assets are $517,934, long-term debt is $312,772, and total assets are $934,753. What is the amount of the total liabilities? \begin{tabular}{c} $521,320 \\ \hline$521,043 \\ \hline$339,043 \\ \hline$412,772 \\ \hline$416,819 \end{tabular}