Why is Anheuser Busch InBev's Gross Profit Margin and Operating Profit Margin so much higher than that of it's competitors? Is it a different approach to classifying expenses? If yes, what do they do differently?

See financial tables below

Gross Profit Margin

	AB InBev	Heineken	Kirin	Molson Coors
2013	59.3	36.5	42.9	39.84
2014	60.1	37.4	43	39.87
2015	60.7	37	44.1	40.25
2016	60.9	37.5	44.2	38.84
2017	62	37.9	42.5	43.49

Operating Profit Margin

	AB InBev	Heineken	Kirin	Molson Coors
2013	32.7	12.12	6.3	11.1
2014	32.44	13.95	5.2	11.8
2015	31.78	12.99	5.7	11.15
2016	28.93	13.03	11.32	6.3
2017	31.17	14.8	10.6	15.93