1e: Interpret the DuPont Formula ratios by explaining if its four ratios are a valid substitute for the ratios in Q1a-1d above. Fill out the table and write your brief analysis below.
	2007	2008	2009	TREND
DuPont Formula - ROE	13.3%	0.8%	12.7%	-4.5%
Profitability	2.9%	0.2%	2.8%	-3.4%
Efficiency	2.8	2.6	2.5	-10.7%
Leverage	1.6	1.8	1.8	12.5%
ROE Check	13.3%	0.8%	12.7%	-4.5%