Use the following information to answer this question. Windswept, Inc. 2017 Income Statement ($ in millions) Net sales $ 9,220 Cost of goods sold 7,640 Depreciation 440 Earnings before interest and taxes $ 1,140 Interest paid 100 Taxable income $ 1,040 Taxes 364 Net income $ 676 Windswept, Inc. 2016 and 2017 Balance Sheets ($ in millions) 2016 2017 2016 2017 Cash $ 200 $ 230 Accounts payable $ 1,270 $ 1,435 Accounts rec. 940 840 Long-term debt 1,090 1,295 Inventory 1,730 1,640 Common stock 3,320 2,990 Total $ 2,870 $ 2,710 Retained earnings 580 830 Net fixed assets 3,390 3,840 Total assets $ 6,260 $ 6,550 Total liab. & equity $ 6,260 $ 6,550 Assuming all sales are on credit, what is the days' sal