Looking at the Dupont Analysis below of 3 competitor firms, what is the primary reason Gemco has the highest ROE?

Company		ROE		PM	TAT	EM
Tandom, Inc		27.76%		16.25%	0.61	2.8
Hybrid, Corp		32.22%		10.10%	0.55	5.8
Gemco, Co.		35.80%		16.20%	0.65	3.4

		It has very high leverage
		It has a higher future growth
		It is more efficient in generating a high net income relative to sales
		It has the highest sales to assets