\begin{tabular}{lr} Accounts receivable & 25,111 \\ Marketable securities & 1,870 \\ Operating lease assets & 2,340 \\ Property and equipment & 9,877 \\ Accounts payable & 16,168 \\ Operating lease liabilities & 331 \\ Logg-term debt & 8,494 \\ Retained earnings & 7,503 \end{tabular} What are net operating assets? Round your answer to the nearest dollar. Do not use the dollar sign