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 a. Caiculate mppie mcurpulateus working capitdi, current rati, anu acia-test ratio at september 20,2020 , 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