Analysis and Interpretation of Profitability Balance sheets and income statements for Costco Wholesale Corporation follow. (d) Compute net nonoperating obligations (NNO) for 2018 and 2017. Confirm the relation: NOA = NNO + Total equity. (e) Compute return on equity (ROE) for 2018 . (f) Infer the nonoperating return component of ROE for 2018. \begin{tabular}{|c|c|c|} \hline CostcoWholesaleCorporaConsolidatedBalanceSh & ationeetsSeptember2,2018 & September3,2017 \\ \hline \multicolumn{3}{|l|}{ Current assets } \\ \hline Cash and cash equivalents & $6,055 & $5,761 \\ \hline Short-term investments & 2,419 & 1,233 \\ \hline Receivables, net & 1,669 & 1,432 \\ \hline Merchandise inventories & 11,040 & 11,049 \\ \hline Other current assets & 1,536 & 272 \\ \hline Total current assets & 22,719 & 19,747 \\ \hline Net property and equipment & 20,896 & 18,161 \\ \hline Other assets & 860 & 869 \\ \hline Total assets & $44,475 & $38,777 \\ \hline \multicolumn{3}{|l|}{ Current liabilities } \\ \hline Accounts payable & $11,237 & $9,608 \\ \hline Accrued salaries and benefits & 2,994 & 3,918 \\ \hline Accrued member rewards & 1,057 & 2,176 \\ \hline Deferred membership fees & 2,839 & 1,498 \\ \hline Other current liabilities & 3,014 & 2,725 \\ \hline Total current liabilities & 21,141 & 19,925 \\ \hline Long-term debt & 7,702 & 7,788 \\ \hline Other liabilities & 2,529 & 1,200 \\ \hline Total liabilities & 31,372 & 28,913 \\ \hline \multicolumn{3}{|l|}{ Equity } \\ \hline Preferred stock, $0.01 par value: & 0 & 0 \\ \hline \end{tabular} (a) Compute net operating profit after tax (NOPAT) for 2018. Assume that the combined federal and state statutory tax rate is 22%. (b) Compute net operating assets (NOA) for 2018 and 2017