Problem -
The following summarized data (amounts in millions) are taken from the September 27, 2014, and September 28, 2013, comparative financial statements of Apple lnc., a manufacturer of mobile communication and media devices, personal computers, portable digital music players, and seller of a variety of related software, services, accessories, networking solutions, and third-party digital content and applications:
a. Calculate Apple Inc.'s working capital, current ratio, and acid-test ratio at September 27, 2014, and September 28, 2013.
b. Calculate Apple's ROE for the years ended September 27, 2014, and September 28, 2013.
c. Calculate Apple's ROI, showing margin and turnover, for the years ended September 27, 2014, and September 28, 2013.