The following summarized data (amounts in millions) are taken from the September 30, 2017, and September 24, 2016, comparative financial statements of Apple Inc., a company that designs, manufactures, and markets mobile communication and media devices and personal computers, sells a variety of related software, services, accessories, networking solutions, and offers third party digital content and applications: 2017 2016 $ 229,234 $215,639 114,048 101,376 61,144 60,024 $ 48,351 $ 45,687 (Amounts Expressed in Millions) For the Fiscal Years Ended September 30 and September 24, respectively Net sales Costs of sales Operating income Net Income At Year Endi Assets Current assetst Cash and cash equivalents Short-tere 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 Deferred revenue Commercial paper Current portion of long-term debt Total crant la $ 20,209 $ 20,484 53,892 46,671 17,674 15,754 4,855 2,132 17.799 13,545 1.926 3,280 128,645 116,60 194.714 170, 430 33,783 27,010 5,717 5,414 2,298 3,200 10.12 $375,319 321686 549.049 25,74 7.54 11,572 $ 37,254 22.027 3,105 200 11 79 At September 26, 2015, total assets were $290,345 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. Required A Required B Required Calculate Apple's ROE for the years ended September 30, 2017, and September 24, 2016. (Round your answers to 1 decimal place.) 2017 2016 ROE At September 26, 2015, total assets were $290,345 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. Required A Required B Required Calculate Apple's ROI, showing margin and turnover, for the years ended September 30, 2017, and September 24, 2016 (Round "Turnover" answers to 2 decimal places. Round your percentage answers to i decimal place.) 2017 2016 96 ROI Margin Turnover % 9. Required B