Using the data in the following table about several companies in the same sector, perform the following operations:

to$.$ Calculate the total asset turnover, net profit margin, equity multiplier, and return on equity for each company.

b$.$ Evaluate the performance of each company by comparing them to each other. Which company or companies seem$($s$)$ having problems? What corrective action would you propose to companies with poor performance? Finally, what other data would you like to have at your fingertips when performing your analysis?$\backslash$table$[[,$Empresa$],[($En millones de d$$lares$),$A$,$B$,C,$D$],[$Ventas$,$$$20,$$$10,$$$15,$$$25$