Computing Return on Equity and Return on Assets The following table contains financial statement information for Walmart Inc. $ millions Total Assets Net Income Sales Equity 2018 $219,295 $6,670 $510.329 $72,496 2017 204,522 9.862 495.761 77,869 2016 198,825 13,643 481,317 77,798 a. Compute return on equity (ROE) for the two recent years. b. Compute return on assets (ROA) for the two recent years. c. Compute profit margin (PM) for the two recent years. d. Compute asset turnover (AT) for the two recent years. Round ROE, ROA and PM to one decimal place (example: 0.2345 = 23.5%). Round AT to two decimal places (example: 1.35)