Q3: In 2019, Woolworths Group had a return on equity of 25.6%, whereas its supermarket industry competitor Coles Group Ltd earned 43.4%. use the decomposed ROE framework to provide possible reasons for this difference.

	Woolworths		Coles
	2019	2018	2019	2018
Return on sales	4.6%	3.1%	3.7%	4.0Woolworths Coles
Asset turnover	2.56	2.45	3.45	3.12*
Leverage	2.17	2.24	3.38	3.86*

* Not calculated for average total assets and average equity due to the unavailability of 2017 comparison figures