BTN 15-9 Samsung, Apple, and Google are competitors in the global marketplace. Following are selected data from each company.

Key Figure	Samsung (Korean won millions)				Apple			Google
	Current Year	One Year Prior	Two Years Prior		Current Year	Prior Year		Current Year	Prior Year
Net income	19,060,144	23,394,358	30,474,764
Net sales	200,653,482	206,205,987	228,692,667
Total assets	242,179,521	230,422,958	214,075,018
Profit margin	?	?			22.8%	21.6%		21.8%	21.4%
Total asset turnover	?	?			0.89	0.83		0.54	0.55

Page 661

Required

Compute Samsungs return on total assets, and its components of profit margin and total asset turnover, for the most recent two years using the data provided.

Which of these three companies has the highest return on total assets? Highest profit margin? Highest total asset turnover? Interpret these results for the (a) current year and (b) prior year.