Computing Return on Equity and Return on Assets

The following table contains financial statement information for Walmart Inc.

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: $0\mathrm{.}2345=23\mathrm{.}5\%).$

Round AT to two decimal places $($example: $1\mathrm{.}35).$