12 (Amounts Expressed in Millions) For the Fiscal Years Ended September 20 and September 24, respectively: Costs of sales 2817 229.234 114.845 61,344 48,351 2816 S 215,639 131,376 60,024 $ 45,687 0.87 points $ 20, 289 53,892 17 814 4,855 17.299 13,936 128.645 194,714 20.484 46,671 15,254 H2,132 13,545 At Year End: Assets Current assets: Cash and cash equivalents Short-term marketable Securities Accounts receivable, less allowance of $58 and $53, respectively Inventories Vendor nontrade receivables Other current assets Total current assets Long-term marketable securities Property, plant, and equipment, net Goodwill Acquired intangible assets, net Other assets Total assets Liabilities and Shareholders' Equity Current liabilities: Accounts payable Accrued expenses 18.283 106,869 178,439 27.010 5.414 3.236 49.049 22, e27 3.les 7.548 11,977 6.495 180,814 79.00 75,427 97,297 49.415 241.272 Commercial paper Current portion of long-term debt Total current liabilities Deferred revenue-noncurrent Long-ters debt Other noncurrent liabilities Total liabilities ShareholdersEquity Common stock and additional pald-in capital, 50.0001 par value, 12.600.000 shares authorized; 5,126,201 and 5,336,166 shares issued and outstanding, respectively Retained earnings Accumulated other comprehensive incone (loss) Total shareholders' equity Total liabilities and shareholders equity 35,857 98.338 (150) 134,047 $ 375.319 321.686 At September 26, 2015, total assets were 5290 345 and total shareholders' equity was $119,355 Required: a. Calculate Apple Inc.'s working capital, current ratio, and acid-test ratio at September 30, 2017, and September 24, 2016, b. Calculate Apple's ROE for the years ended September 30, 2017 and September 24, 2016. C. Calculate Apple's ROI, showing margin and turnover, for the years ended September 30, 2017 and September 24, 2016 Complete this question by entering your answers in the tabs below