The Following Information Is Available for Some of a Company's

Essay

The following information is available for some of a company's segments (all amounts are in millions):
$\begin{array}{|l|r|r|r|}\hline& \text { North } & & \text { Latin } \\& \text { America }&\text { Africa }&\text{America}\\\hline\text { Segment sales }&\$ 6,264 & \$ 694 & \$ 2,089 \\\hline\text { Segment operating income }& 1,494 & 224 & 1,033 \\\hline\text { Segment average assets }& 4,869 & 541 & 1,443 \\\hline\end{array}$
a.Determine the segment return on assets for each geographic segment
b.Comment on the results.How do the segments compare with respect to profitability?