The following summarized data $($amounts in milions$)$ 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:

$165,725$ and total shareholders' equity was $$107,147.$

Required:

a$.$ Calculate Apple Incorporated's working capital, current ratio, and acid$-$test ratio at September $26,2020,$ and September $28,2019.$

b$.$ Calculate Apple's ROE for the years ended September $26,2020,$ and September $28,2019.$

c$.$ Calculate Apple's ROI, showing margin and turnover, for the years ended September $26,2020,$ and September $28,2019.$

Complete this question by entering your answers in the tabs below.

Calculate Apple's ROE for the years ended September $26,2020,$ and September $28,2019.$

Note: Round your answers to $1$ decimal place.