Required:

1. Calculate Apple Incorporateds working capital, current ratio, and acid-test ratio at September 26, 2020, and September 28, 2019.
2. Calculate Apples ROE for the years ended September 26, 2020, and September 28, 2019.
3. Calculate Apples ROI, showing margin and turnover, for the years ended September 26, 2020, and September 28, 2019.

Calculate Apple Incorporated's working capital, current ratio, and acid-test ratio at September 26, 2020, and September 28, 2019. Note: Round your ratio answers to 2 decimal place. Enter "Working capital" in million of dollars. Complete this question by entering your answers in the tabs below. Calculate Apple's ROI, showing margin and turnover, for the years ended September 26, 2020, and September 28, 2019. Note: Round "Turnover" answers to 2 decimal places. Round your percentage answers to 1 decimal place. Calculate Apple's ROE for the years ended September 26, 2020, and September 28, 2019. Note: Round your answers to 1 decimal place. The following summarized data (amounts in millions) are taken from the September 26, 2020, and September 28, 2019, comparative financial statements of Apple Incorporated, 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: At September 29,2018 , total assets were $365,725 and total shareholders' equity was $107,147