Suppose the following items were taken from the December 31, 2017, assets section of the Boeing Company balance sheet. (All dollars are in millions.) Inventory Notes receivable-due after December 31, 2018 Notes receivable-due before December 31, 2018 Accumulated depreciation-buildings $17,190 Patents 5,460 Buildings 395 Cash 13,260 Accounts receivable Debt investments (short-term) $11,990 21,560 8,900 5,690 1,690 The Boeing Company Balance Sheet (Partial) December 31, 2017 (in millions) Assets Current Assets Cash 9215 Debt Investments 2008 Accounts Receivable 5785 Notes Receivable 368 Inventory 16933 Total Current Assets $ 34309 Notes Receivable 5466 $