Accessing SEC Reports and Calculating Ratios

a$.$ Use data from the companies' balance sheets and income statements to complete the following table.

Round answers to the nearest million, when applicable.

b$.$ Calculate the following ratios for each company.

Use rounded answers from above to compute answers.

Round ROA and PM to one decimal place $($ex: $9\mathrm{.}6\%).$

Round AT to two decimal places $($ex: $0\mathrm{.}52).$

c$.$ Which company has the better ROA?