Need help, the red is what I got wrong

Suppose the following items were taken from the December 31, 2017, assets section of the Waterway Industries balance sheet. (All dollars are in millions.) Waterway Industries Partial Balance Sheet December 31,2017 (in millions) Assets Current Assets Inventory Notes Receivable $17330 Accounts Recceivable: Debt investments \begin{tabular}{|r|} \hline 385 \\ \hline \end{tabular} Cash Total Current Assets \begin{tabular}{|c|c} \hline1670 \\ \hline \end{tabular} 8700 Total Current Assets Aceumulated Deprechation Buldedings: Total Assets