On a common size basis, how many years had operating margin (percent) higher than the industry average?

ABC, Inc.
					Industry
	Year 1	Year 2	Year 3	Year 4	common size
Revenue	1,325,154	1,478,531	1,375,564	1,754,253	100%
Cost of sales	525,143	575,135	604,658	702,451	45%
Gross profit	800,011	903,396	770,906	1,051,802	55%
Operating expenses	725,124	725,468	795,453	845,245	45%
Operating income	74,887	177,928	(24,547)	206,557	10%
Interest expense	24,057	26,451	28,254	32,546	3%
Income before taxes	50,830	151,477	(52,801)	174,011	7%
Income taxes	20,332	60,591	-	69,604	3%
Net income	30,498	90,886	(52,801)	104,407	4%

	One
	Two
	Three
	Four